I just thought I would share this just in case if anyone was interested. I bought this battery for my Samsung Captivate and it works well. So I decided to out try it in my Focus to see if it would fit..it fit perfectly!! I have had the battery for only 2 weeks now but it does work better and it looks to be Samsung OEM.
So just to recap this fits with the stock back. It is but you will never notice once it closes
http://forum.xda-developers.com/showthread.php?t=1303883
http://www.mobilecityonline.com/wireless/store/productdetail.asp?productid=28506
Just to clarify...this 1800mah battery fits under the OEM samsung focus cover?? Can you update this thread with usage times?
I would also like to know if this battery is available in EU?
Sierra76 said:
I would also like to know if this battery is available in EU?
Click to expand...
Click to collapse
There is an ebay seller shipping to EU.
I've opted for the Chinese 1800 mAh copies as they're cheap, will update with details when they arrive.
siralex241 said:
Just to clarify...this 1800mah battery fits under the OEM samsung focus cover?? Can you update this thread with usage times?
Click to expand...
Click to collapse
Correct this battery fits under the stock cover. This phone isn't my daily phone so I can't tell you how much longer it lasts. What I can tell you though is that in my Captivate (daily phone) it lasts longer for sure, probably about 20 to 30% more. I literally used it in the Focus for like half a day and it had no issues.
Okay I am using the battery in the focus today. It does snap. Lose but it is a tight fight. If you have a case it won't be a problem at all. One corner from my phone unsnaps randomly but one of my clips is broken so that could be the case also.
I received today the Chinese batteries.
They fit perfectly in the Focus and looks like they're exactly the same size. I've started the phone with one and it works fine.
Battery cover is absolutely the same with this one as with the original. I didn't notice any difference in weight either.
See for yourselves:
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I will charge one fully and test it asap and will post back the results.
Could you PM me where did you buy that chinesse battery?
I tested the Chinese batteries and they're weak, as I expected.
They held 3h 05m on WP Bench where as my 1 year old original Focus battery held 3h 50 min in the same battery test, that's 80% of the battery I have now and I remember in NoDo, on WP Bench battery was holding about 6h.
So, they're good as backups, but in no way better than the originals.
The originals should be better, in theory.
I bought the Anker battery from amazon which was around 10 bucks. Its also 1800 mah, but is the same size as the Samsung OEM stock batter that comes with the focus. Seemed to last about 36 hours with light use on my Focus. One thing I noticed - the charging indicator never stops blinking to say that is finished charging. IMHO doesn't seem to give much more than a fresh new stock OEM battery - although for 10 bucks I agree would make a good back up, thats about it.
Here's the link to the battery I purchased:
http://www.amazon.com/gp/product/B004KVTNYE/ref=oh_o00_s00_i00_details
EnderPsp said:
I tested the Chinese batteries and they're weak, as I expected.
They held 3h 05m on WP Bench where as my 1 year old original Focus battery held 3h 50 min in the same battery test, that's 80% of the battery I have now and I remember in NoDo, on WP Bench battery was holding about 6h.
So, they're good as backups, but in no way better than the originals.
The originals should be better, in theory.
Click to expand...
Click to collapse
I never knew about WP Bench. Wish I had. My Focus had 420 or so cycles on it's battery and had a rapid performance decline in charge holding. It also blew up (physically) a bit. I replaced it with a replacement OEM from Batteries +.
The replacement doesn't seem to be the equivalent of Day 1 on the Original battery but maybe Mango and my usage is far more than before.
The knock off batteries, the misrepresented mah ratings, and even the out-right faking of batteries has my jaw dropped. Buyer beware.
I contend that the battery issue, battery fakes, and cheap replacements is 100% the reason Apple doesn't make their battery accessible. They want a tight control over those batteries to guarantee performance.
I just ordered the OEM from first post. When it arrives, I will attempt to do scientific tests and post results. I'll use WP Bench as mentioned before since that is likely the most accurate way to test.
Stock Battery
4:11:57
Airplane mode and NOTHING running…
UPDATE
Ok, Here is a Preliminary set of numbers with 1800 battery...
4:43:19
Same settings and still NOTHING running:
Reason I say preliminary is because this was after the FIRST charge. When the phone finished charging again, I needed to use the phone, so was unable to set it for a test run again. I'll attempt that again tonight. BUT, for the record, I took the phone with me to Reno, NV and used it for over 1 1/2 days without charging. Used the Internet, Maps, and Showing it off to family, taking 15 mins of video during the fireworks, and still had 10% battery left over... I'm really anxious to see what my test results will be this next time...
FYI, it is a fairly tight fit within the cover, but it DOES fit. Once I got all the snaps snapped, it feels very secure.
jev3gs said:
Correct this battery fits under the stock cover. This phone isn't my daily phone so I can't tell you how much longer it lasts. What I can tell you though is that in my Captivate (daily phone) it lasts longer for sure, probably about 20 to 30% more. I literally used it in the Focus for like half a day and it had no issues.
Click to expand...
Click to collapse
Could you send us the link for purchase, please?
Yeah, that's strange, the link died on the first post. Here's a link to eBay with a bunch available... Look for part # EB625152VA If you Bing/Google this number, you will find other resellers too.
If you like paying full price, buy direct from Samsung: http://www.samsung.com/us/mobile/cell-phones-accessories/EB625152VABSTD
Larger Battery Tests
Ok, final numbers, photos, and thoughts. The battery is snug, (if you look carefully, you can see a slight deformation on the battery cover where it is forming over the oversized Galaxy battery) but after it is snapped closed, you won't notice as jev3gs has already mentioned. Images attached.
I've made a correction for the time posted in above post (Copied it wrong), and have performed two tests with each battery, so I'm confident that the numbers here are correct. The tests were within about 30 seconds of each other on each battery.
Stock Focus Battery 5.55Wh 1500 mAh
PN# EB575152VA
4hrs 11mins 57sec
= 251.95 Minutes
Galaxy S™ II Battery 6.66Wh 1800 mAh
PN# EB625152VA
4hrs 43mins 40sec
= 283.67 Minutes
This is an improvement of 31.72mins, or 11%! That's using WP Bench which kills the battery very quickly compared to real usage.
That may not seem like much, but for me in my usage, that will likely equate to an extra 1.5 hours per day. 12 hours + 11% = 13.32 hours.
(According to the printed battery specs, you should actually receive about 16% extra, my tests showed a little lower. Maybe will get better with more usage.)
I have not done charging tests yet, but it also seems like it is charging faster. That may be in my head, but it seems like about an hour faster... I MIGHT test that later.
PS: Thank you jev3gs for the heads up on this tip. I was about to buy another battery anyways, so this is icing on the cake!
Thanks for taking the time and doing the review! Let us know about charging times too!
Thanks for the detailed posts SuperSport. I wish the OP had put this before I bought the Momax battery which takes forever to charge compared to the stock one.
Unfortunately, I still have not run verifiable tests to prove the charge times. It does seem faster, but normally, I charge it at night and don't pay attention to when it completes. I've been a bit to busy to run the tests during the day, so it will need to wait for now.
I've bought many OEM and Generic batteries over the years for both phones and Radio Control, and it's really hit and miss. Sometimes, the Generic blow the OEM out of the water, but usually, the OEM batteries outperform.
Sent from my SGH-i917 using XDA Windows Phone 7 App
asking
What do u mean by light use? My stock one, I use the phone for reading news from weave and wp7 news with WiFi enabled, and I got about 5h. I also play games for a little bit. That is my typical day usage.
I wish to use the phone for around half of the day or so, if this 1800 MAh could give me that much of power, then it is awesome
thanchetmy said:
What do u mean by light use? My stock one, I use the phone for reading news from weave and wp7 news with WiFi enabled, and I got about 5h. I also play games for a little bit. That is my typical day usage.
I wish to use the phone for around half of the day or so, if this 1800 MAh could give me that much of power, then it is awesome
Click to expand...
Click to collapse
Using my 11% gain as a reference, you could expect 5.55 hours, up from 5 hours. If Samsung is correct, and it's 16% gain, then it would be 5.8 hours. Still not quite 1/2 day...
Related
Hey All!
Just stumbled upon a new product from Mugen Power for HTC HD7 for 3900mah.
It looks bulky but as I'm travelling a lot I would really get a good use of it. I saw many positive reviews about them, droiddog.com in example...Thinking of buying it.
Any thoughts? Anyone with previous Mugen experience?
Bests,
Dave
Dont buy it.
It product too much heat when u run an app, and it make ur phone very heavy.
I have one. The battery definetly adds alot of weight too it. Also since the phone wasnt made for a bigger battery windows phone displays the battery level incorrectly and you need to restart it everytime you want to see correct battery level. Also takes forever to charge it.
Also the 3900mah is false advertising.
Their 2x the size the original 2x1280= 2560mah.
Your better getting a spare
wow. I heard good stuff about Mugen on other forums and sites. Even phandroid gave them a good review.
Thanks anyway! Will check more on them.
not sure about mugen ones but the ones on ebay arent really worth the money, time or the extra thickness
Just got a reply from Mugen Power. Checked their official site and they seem legit.
2evolutionqy7
I don't buy these things from eBay. Trying to use official reseller sites. Read about Mugen - they have one that is pretty good. I have one battery from them for another phone but it's not that big as this one. Will buy this one I guess. I don't care about cosmetics - I need it for other things.
geekdude said:
Just got a reply from Mugen Power. Checked their official site and they seem legit.
2evolutionqy7
I don't buy these things from eBay. Trying to use official reseller sites. Read about Mugen - they have one that is pretty good. I have one battery from them for another phone but it's not that big as this one. Will buy this one I guess. I don't care about cosmetics - I need it for other things.
Click to expand...
Click to collapse
Its up to you Either way the battery is still gonna be displayed incorrectly
Still wouldnt spend 50+ quid on a battery.
The mugen ones are only better by a margin. Nothing really worth paying for in my opinion
Yoobao from Amazon
I bought a Yoobao 2200mAh battery from Amazon about a month ago (http://www.amazon.com/2200-Extended-Battery-Replacement-Cover/dp/B004JOLJDK/ref=sr_1_6?ie=UTF8&qid=1300571465&sr=8-6). Battery life is DEFINATELY improved. I've done no truly scientific measurement of how much better the battery is, but I will say I can now use the phone how I see fit (with the exception of my email, which is not set to download automatically for various reasons) without worrying much about charging the battery every time I blink. It does indeed add extra weight, but nothing terrible.
Bottom line...even though the battery meter is no longer accurate, it doesn't matter. I don't have to charge the phone after playing a game and listening to music and surfing a bit. That in itself is worth the $24.99 that the battery cost.
The way the extended back cover feels is pretty nice. It gives it a kind of grip feel...but that grip stuff is also starting to peel from the corners, so the build quality of the new battery back isn't all that great.
isoman4 said:
I bought a Yoobao 2200mAh battery from Amazon about a month ago (http://www.amazon.com/2200-Extended-Battery-Replacement-Cover/dp/B004JOLJDK/ref=sr_1_6?ie=UTF8&qid=1300571465&sr=8-6). Battery life is DEFINATELY improved. I've done no truly scientific measurement of how much better the battery is, but I will say I can now use the phone how I see fit (with the exception of my email, which is not set to download automatically for various reasons) without worrying much about charging the battery every time I blink. It does indeed add extra weight, but nothing terrible.
Bottom line...even though the battery meter is no longer accurate, it doesn't matter. I don't have to charge the phone after playing a game and listening to music and surfing a bit. That in itself is worth the $24.99 that the battery cost.
The way the extended back cover feels is pretty nice. It gives it a kind of grip feel...but that grip stuff is also starting to peel from the corners, so the build quality of the new battery back isn't all that great.
Click to expand...
Click to collapse
I'm glad to read this. I ordered one myself and it arrived today.
Nice!
JWhipple said:
I'm glad to read this. I ordered one myself and it arrived today.
Click to expand...
Click to collapse
Excellent! What do you think of it so far? Just like the oem battery, it takes a while to charge at first. Charging time will get better over time.
isoman4 said:
Excellent! What do you think of it so far? Just like the oem battery, it takes a while to charge at first. Charging time will get better over time.
Click to expand...
Click to collapse
JWhipple said:
I'm glad to read this. I ordered one myself and it arrived today.
Click to expand...
Click to collapse
Hehe mine too just arrived today, I wonder if it can survive at least two days without charging =]
HTC hd7 battery
After using this new battery how many hours battery is lasting ?
my htc hd7 battery 1230mah needs to charge for every 5-6 hours...i use messenger n surf a bit...
PLz can any one tell me if this is good for htc hd7 with out any effects to mobile... so that ill buy it
thank u!
pinoypayter said:
Hehe mine too just arrived today, I wonder if it can survive at least two days without charging =]
Click to expand...
Click to collapse
If you can get 2 days, you are the man!
shilpaam said:
After using this new battery how many hours battery is lasting ?
my htc hd7 battery 1230mah needs to charge for every 5-6 hours...i use messenger n surf a bit...
PLz can any one tell me if this is good for htc hd7 with out any effects to mobile... so that ill buy it
thank u!
Click to expand...
Click to collapse
Nothing negative yet. Only had it going for a month so far, though.
pinoypayter said:
Hehe mine too just arrived today, I wonder if it can survive at least two days without charging =]
Click to expand...
Click to collapse
Can u give us your comment about the Yoobao battery 2200mhz for HD7 ? I am thinking about buying an extended batter because the original battery of HD7 is too bad.
I fully charged HD7 at 0h then unplugged and sleep, at 7:00 AM I woke up and the battery lost about 30% engergy, then at about 10:00 AM with few calls, it lost all its energy.
I don't know if anybody has the same battery like me ?
wow that thing is beastmode. i wish HTC would make official batteries that had more juice i can get 2 days on my hd7 with little use bit of texting some internet over wifi but no gaming or any intensive app use. but when i only get about 3-4 hours a day with an hour gaming or so its kinda crap that i have to take my charger everywhere with me
Don't buy cheap extended off eBay mine didn't lat any longer than stock. I do like the back cover it does add grip to phone. my developer unlocked phone showsdame may as stock on the cheaper extended battery (3500mah) off ebay . Hong Kong. I do realize u get what u pay for. I still get a spare battery even tho it doesn't last any longer.
So listen to the other post buy name brand for the extended. IMO.
Sent from my T9295 using XDA Windows Phone 7 App
check this out
http://forum.xda-developers.com/showthread.php?t=1392083
---------- Post added at 06:04 AM ---------- Previous post was at 06:02 AM ----------
d33ps1x said:
2011-12-31:
-Battery took 4 hours to charge up to 4.218 volts
-Estimated full from empty AC charge is 4.5 hours
-No heat generation to speak of during charging or use so far.
2012-01-02:
-Battery has been charged and fully discharged 3 times now. Reset all stats and running an Antutu Battery Test on it that I will also run on the stock and CS 2200 mAh to have some comparisons that mean something.
Testing setup is as follows:
-Same phone with CM7.2 overclocked to 806 mhz to speed up the testing process for all three batteries
-Batteries all conditioned and then charged for 8 hours prior to testing
-No changing of configured apps, services, etc on phone during testing
-batterystats.bin and Battery Monitor Pro history is wiped between batteries
-Wifi and data turned off so the phone does essentially nothing
-Antutu stops phone from locking, dimming, downclocking etc. so it's basically running all out for the entire duration
-No one seems to know what the scores are or how they relate to anyone else but I figure they will relate to each other.
-Once test is complete run Antutu again to run the battery down to 1% for shutdown and get final burn time results from Battery Monitor Pro
TEST 1: ECell Gold 2430 mAh replacement battery
Test start time: 03:03 AM
Test start %: 100%
Test end time: 06:40 AM
Test end %: 19%
Antutu Test duration: 03:37
Rundown end time: 07:22 AM
Rundown end %: 1%
Total test duration: 4:19
Test score: 652
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TEST 2: HTC 1230 mAh stock battery
Test start time: 12:58 PM
Test start %: 100%
Test end time: 03:48 PM
Test end %: 19%
Antutu Test duration: 03:00
Rundown end time: 4:32 PM
Rundown end %: 1%
Total test duration: 03:44
Test score: 508
TEST 3: Cameron Sino 2200 mAh replacement battery
Test start time: 05:10 PM
Test start %: 100%
Test end time: 11:31 PM
Test end %: 19%
Antutu Test duration: 06:21
Rundown end time: 12:45 AM
Rundown end %: 1%
Total test duration: 07:35
Test score: 1145
Final Results For ECell Gold, HTC Stock, and Cameron Sino:
-3 Hours and 44 Minutes For HTC Stock Battery
-4 Hours and 19 Minutes For ECell Gold Battery
-7 Hours and 35 Minutes For Cameron Sino Battery
-The ECell Gold, at 13.34% more capacity than the HTC Stock battery, comes in at far less than it's advertised 2430 mAh.
-The Cameron Sino, at 50.52% more capacity than the HTC Stock battery, comes in at more than it's advertised capacity of 2200 mAh
The Conclusion:
You can't make a silk purse out of a sow's ear and you can't cheat physics.
Applying the same battery technology you can really only expect marginal performance gains in the same form factor as is shown with the underachievement of the ECell Gold compared to it's advertised capacity.
There were no surprises here.
Double the form factor brought double the capacity. If you're cool with a "Fat Phone", the Cameron Sino Technology 2200 mAh battery lives up to it's expectations and puts some reality back into things. You get a very high capacity battery at a very reasonable $22.00 US
In it's own right the ECell Gold 2430 mAh is a great idea for a cheap and higher capacity replacement battery and that's really the positive in that storyline.
The price is right for a slim replacement battery but they need to stop the gimmickry and advertise it for what it is.
False hope is NOT better than no hope.
Click to expand...
Click to collapse
results....
I can't test my battery with this method , but I turn on wifi for 2 hours and listen to music for 1 hour
I had call for 35 min in 2g
for them , I charge my battery once in 2 days
saeedk64m said:
I can't test my battery with this method , but I turn on wifi for 2 hours and listen to music for 1 hour
I had call for 35 min in 2g
for them , I charge my battery once in 2 days
Click to expand...
Click to collapse
u have to use the batteyr in real life ..
the best is 3G web surfing continously until the battery drains...
Does anyone know where I can get a replacement battery for my phone? All of the ones I find are sketchy on Amazon, and the official Lg one is hella overpriced
for example, would something like this be reliable at all?
http://www.amazon.com/OEM-1500mAh-S...0154892&sr=1-3&keywords=lg+optimus+2x+battery
Thanks in advance
I bought an Extended Battery on Deal xtream yesterday, it has 3500mah, the phone is gona estay heavier but, I like using it more than double time , comparing to original battery...
I have 2400mAh battery:
subtel.fi/akku-lg-p990-optimus-2x-911008.htm
Cheap one, and lasts almost double time, when comparing orginal battery
Don't know what weired happening with my phone battery ...it sucks more in standby mode...most battery losses on standby and phone idle...anyone? help guys and bought original LG battery 2 days it was fine and now it drains overnite without any use?
mine does the same
Any solution bro??
Seidio 3200 mah battery for your Optimus 2x/G2x
Clear Battery Stats..
---------- Post added at 04:26 PM ---------- Previous post was at 04:09 PM ----------
Blazing angel said:
Does anyone know where I can get a replacement battery for my phone? All of the ones I find are sketchy on Amazon, and the official Lg one is hella overpriced
for example, would something like this be reliable at all?
http://www.amazon.com/OEM-1500mAh-S...0154892&sr=1-3&keywords=lg+optimus+2x+battery
Thanks in advance
Click to expand...
Click to collapse
If you are from India then go for this, you can get original seidio 3200 mah battery in very less price, so go for it.
http://www.ebay.in/itm/170947843155?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649
New brand of battery out
Seems pretty good,
http://www.amazon.co.uk/Battpit-tra...8G/ref=sr_1_93?ie=UTF8&qid=1354948855&sr=8-93
just bought one of these, will test it as best i can and report back,
only been available for a couple of weeks. .. so shelf life will be quite young at the mo.
Go to aliexpress.com and search "p990 gold battery"
2430mah gold battery(?) just 12$. is it true?
pasolvon said:
Go to aliexpress.com and search "p990 gold battery"
2430mah gold battery(?) just 12$. is it true?
Click to expand...
Click to collapse
i've never trusted those gold batteries, i wanted to wait for one that seems decent, with a max of 1800mAh based on size i would expect thats the highest you could get into a battery that size.
currently testing this new battery, on its first drain at the mo, will be back with reports soon
necrowakker said:
i've never trusted those gold batteries, i wanted to wait for one that seems decent, with a max of 1800mAh based on size i would expect thats the highest you could get into a battery that size.
currently testing this new battery, on its first drain at the mo, will be back with reports soon
Click to expand...
Click to collapse
Thanks.
I'm waiting for your test results.
just get one from amazon with about 3500mah and u are fine
pasolvon said:
Thanks.
I'm waiting for your test results.
Click to expand...
Click to collapse
Cool, as new batteries go i expect you got to charge them a couple of times to get the correct usage average. first drain still surviving, @30% now but that was with a few benchmarks after testing a few things for Stonebear last night. will probably start charging again at about 12% later today.
driftking112 said:
just get one from amazon with about 3500mah and u are fine
Click to expand...
Click to collapse
Reason why i dont get one of those batteries is because i dont want to carry around a Nokia P4000, start to have hip problems carrying something that big around. ( rather just carry one of these so i can charge my phone and psp on the go) that way i can still have my sleek O2x without the bulky back cover.
http://www.amazon.co.uk/10000mAh-Se...ustomized/dp/B0063AAIRG/ref=pd_bxgy_ce_text_z
im using 1900mah batery.. it quite stand up until 1 day half.. :good:
Final drain test on new battery,
full charge gives me 4180mV
thats at a average of 1746mA +/- 24mA
will look into performance and battery life now that i've charged it a third time. and report back
I bought a "2400 mAh" battery from MyTrendyPhone (large Nordic/European online store for phone accessories).
It turned out to be 2800 mAh. Probably mislabeled by the store rather than the manufacturer. It's actually this one:
http://shop.onni-tec.de/Handy-Akkus...imus-Speed-Li-Ion-fat-Rueckdeckel::10090.html
Does anyone have any experience with this particular battery? Will do some non-scientific, subjective testing of course. Bought it on a whim because I got tired of my O2X dying halfway through the day (I'm quite a heavy user, it's literally down to 40-50% by lunch time). If it isn't much of an improvement, no great loss. It makes the phone more "substantial" but the difference isn't that great and the back cover seems to be quite good quality (also it offers far better protection of the camera lens than the original cover).
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Is there another battery replacement that is good?
Usage Test
That Battpit Battery, 1800mAh.
Under medium to heavy usage.
listening to music 3-4 hours, Internet browsing, average 5-6 hours, videos 20 minutes, 5 calls about a minute each, 15 - 20 texts. bit of wifi, but most of the internet browsing was done under 3g.
i'll get a more standby focused battery life over the next couple of days.
ordered a 2400 mah battery.
should arrive in 2-5 days.
gonna make a review video.
I used a duplicate high capacity barrios like this and after fee days my phone used to drain without any use also and it used to heat up also went to lg care they told mother board is gone due to.difference in voltage maintenance as I used not the stock one they told use only stock batteries other high capacity battery will ruin your phone hardware...my phone used to die in Lees than 10 hours whether I use out or not...now it last more than 2 days those people who were telling there phone last more than a day I used to think they always lied.got my mother board changed from lg cost me around 50$ but more now phone is like brand new last more than 2 days and stand by station is like 1% in 8 hours..but stock batteries and go to lg care ask them is there any problem in your phone hardware ....trust me that's the solution
Deep Stretch 4600mAh Battery for Samsung Galaxy Note 2
Testing in progress.
*High quality li-ion battery.
*Battery Capacity : 4600 mAh
*Integrated microchip prevents
*overcharging and lengthens battery
life.
*Brand New,High capacity Li-ion
battery for you phone
*You do not need a special back
cover for this battery.
The most Mah you can get without an Extended case or back cover? I ordered this and they sent me a 4750 mah. Hmmmm?
Link- http://www.ebay.com/itm/DEEP-4600mA..._Cell_Phone_PDA_Batteries&hash=item3a85e02ed8
Are you going to be doing a test of how accurate the mAh is?
So they managed to fit one and a half times the power into the same sized battery?
Either they have a new technology or they are magicians.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
apallohadas said:
So they managed to fit one and a half times the power into the same sized battery?
Either they have a new technology or they are magicians.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
Click to expand...
Click to collapse
I know another cool magic trick. You remove the cover off this battery to reveal the actual capacity stamped on it's cells, a standard 3100 mAh
hehe, or more like 2500mah
I'll do a battery test soon. Just returned to stock. Going to charge to 100% then run it with normal usage. I'll post screen shots sometime late tomorrow.
darkchyldx101 said:
I'll do a battery test soon. Just returned to stock. Going to charge to 100% then run it with normal usage. I'll post screen shots sometime late tomorrow.
Click to expand...
Click to collapse
Btw, we are not trying to give you a hard time. It just that we have discussed so many extra capacity batteries (OEM slim footprint), and every one was found to be a lie. You will be lucky to get something at 3100 mAh, while a lot of 4200 mAh batteries turned out to be 2500 mAh. I actually had external hardware setup with V/A meter draining batteries with a clip attached to terminals on one side while simulating a phone load on another side with high wattage resistors. It didn't look too good.
vectron said:
Btw, we are not trying to give you a hard time. It just that we have discussed so many extra capacity batteries (OEM slim footprint), and every one was found to be a lie. You will be lucky to get something at 3100 mAh, while a lot of 4200 mAh batteries turned out to be 2500 mAh. I actually had external hardware setup with V/A meter draining batteries with a clip attached to terminals on one side while simulating a phone load on another side with high wattage resistors. It didn't look too good.
Click to expand...
Click to collapse
Always trust this guys reviews^
He doesn't just review the product, he damn near makes you wanna buy it after reading it. Damn good salesperson lol.
Sent from my note 2 ya bish!
Started testing about 10 hours ago. Decided to run Carbon 4.3.1 with Neak kernel instead of stock. Here are the results at 75%. Still Juicing.
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darkchyldx101 said:
Started testing about 10 hours ago. Decided to run Carbon 4.3.1 with Neak kernel instead of stock. Here are the results at 75%. Still Juicing.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
Click to expand...
Click to collapse
Looks like you are hardly using the phone with 1 hr screen on time ... especially if that's the majority of the usage. How about doing a real test... moderate to heavy usage, texting , youtube, internet browsing , music and movie play back. That battery will read MUCH LOWER.
I good suggestion for a test, run free Nova battery tester: https://play.google.com/store/apps/details?id=ru.NanoDinamics.NovaTester
I wouldn't trust the accuracy of mAh calculation, but it runs very CPU/GPU intense test to drain your battery. Do it with your stock battery, and then with deep stretch battery to compare the screen on and other results. As a relative test for comparison it should work. I think the test runs for about 2hr, so once it done run it again, starting from 100% battery until you run it down to 5%.
Right now I'm running at normal usage. I do watch tons of You Tube vids. Read tech reviews. Go through my Flipboard, Taptu news feeds. Check up on XDA, Facebook, Google+, get calls from wife. Internet browse. And download apps. While looking for reviews on this battery I came across a thread in the Note 3 forum mentioning a Deep Stretch battery and they would like to see my results too. And I'll check out that app. Been looking for a good battery stat app. I'll post more screen shots at 50%.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
50% Did some more video watching. Hulu, YouTube, and Internet browsing.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
If you're trying to establish that these batteries are somehow better than stock, you have quite a task before you.
Either give the app a shot or set up a system similar to the one that Vectron did.
Basically you need a standard to drain a stock and the magical battery. An exact same standard. Browsing videos and just generally using the phone will have a different load from day to day, so you're definitely not going to get a standard and fair comparison. Screenshots will be meaningless since they aren't an exact representation of usage, data connectivity, cell tower searching, etc.
Well I'm hoping they're better than stock. The battery has 4750 mah on it. If it's fake. I'll never buy a Deep Stretch battery again. Just doing a normal usage test. Then I'll try vectron's suggestion tomorrow morning. I'll fully charge both batteries and run Nova battery tester on both.
Update at 25%.
5% Last one for today.
Nova battery test tomorrow. Samsung OEM vs Deep Stretch.
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Picture of back of battery. Front just has Deep Stretch Logo.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
From those stats, the figures are poor for 4600 mAH
I already get 7 hours of screen time on OEM battery on stock fimware when no tuning of the kernel.
Do Not Remove . I Wonder Why : )
I removed the label. Its just all silver with some numbers and a 3.35 v stamped on the side. I googled the numbers and got nothing.
Update:
Sorry I thought I could manage some more tests today but was exhausted after work.
Running stock deodexed.
Standard test failed.
When short tests completed the app closed itself but managed to keep results. Did two short tests on "4750 mah battery"
Will do a long test later and hopefully it completes. In the meanwhile Im going to look for similar testing apps.
Edit: Actually Im going to do a short test on oem battery to see accuracy of calculations.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
Seems at least as good as OEM battery but for it to actually be 33% better you should get at least 9hrs screen on time.
Hello everyone (if there is someone else in this Nokia 8 forum). I have a Nokia 8 / TA-1052 bought in 2018 and that suddenly, this summer, started to restart when they were used according to what applications (Camera, Google photos, and progressively with others, etc.) and when the battery charge it was below about 50%. I deduced that, with almost 3 years of use, the end of the battery's life has come and I started looking for another one starting in September and until today I have not been able to find one that has or is close to to have the same capacity or close to that of the original 3030 or 3090mAh battery. I have bought about 10 batteries, being in Palma de Mallorca some have never reached me but the money has been refunded, some have arrived badly (the mobile does not recognize them directly, the money has also been refunded) and about 3 I have been able to assemble and test the 3030 or 2500 mAh ones (the latter from the Cameron Sino brand), hopefully, they did not have real 1500mAh, in other words if the mobile with the original battery between charges lasted up to 2 days or 48 hours with these did not reach a sad 20 hours. Now, if there is someone else around here, the question is the following: has someone managed to change the battery on this mobile and find one that is close to the original in duration? The original battery (disassembled from my mobile) is the HE328 model (the same as the TA-1004 and TA-1012 models) and has it labeled 3030mAh (not 3090 as it says in the characteristics of the same mobile)? Thanks!
Hello, I continue with the matter, despite the fact that so far there is no response from the members of this forum, I see that the topic has a lot of visits. Yesterday morning I bought a battery from a UK seller-Fonejoy on eBay and it just arrived today in Palma de Mallorca by DHL (it arrived in just over 24 hours, the expected date delivery was between 12 / 13-12 / 17) and that is the first of all those that have reached me identical to the original, same-same labeling and even the same weight (very important element, apart from the size, in the case of lithium batteries, the original disassembled from my phone weighs about 42 grams, all the ones that have come down to me weighed about 30 grams). I start to see the "light at the end of the tunnel" and for the first time it looks good, tomorrow I will mount it on my mobile and I will tell you more things.
The battery is already mounted on the mobile, it came with 3.75 VDC (measured with a multimeter before mounting it) and with a 37% charge. After carrying out the first full charge, the phone started up without problems, it remains to be seen now the total capacity and the duration between charges, when I am sure that everything is fine I will glue the screen (at the moment it is held with transparent adhesive tape).
And to finish, the battery works and is equal in duration to the original so last Sunday 12/12 I glued the screen and closed this matter (I have also left a positive feedback on the battery page of the seller Fonejoy from ebay.uk). If the new battery lasts the same as the original, about 3 years, I will have gotten the most out of this mobile, the next step will be to release the bootloader and put a custom ROM with Android 11, at least. Greetings to all!
@bunzo Thanks for your feedback!
It's hard to believe that might have a chance to finally buy an original HE328 battery.
I was just planning to buy batteries from this user.
On the internet can find many defective non-original batteries.
I tested a lot of them.
The only sense brand of replacement batteries is wonkegonke from aliexpress.
usually in wonkegonke battery you will find a reasonable capacity, which will not die after 3 months. Looks my old thread about Wonkegonke.
Replacement battery for Nokia 8
Hello, I'd like to show you my private comments and tests on the battery for this great phone. I tested many replacement battery for Nokia 8. A lot of people have trouble buying a new battery with sufficient capacity. I checked some batteries...
forum.xda-developers.com
Cheers.
mati5000 said:
@bunzo Thanks for your feedback!
It's hard to believe that might have a chance to finally buy an original HE328 battery.
I was just planning to buy batteries from this user.
On the internet can find many defective non-original batteries.
I tested a lot of them.
The only sense brand of replacement batteries is wonkegonke from aliexpress.
usually in wonkegonke battery you will find a reasonable capacity, which will not die after 3 months. Looks my old thread about Wonkegonke.
Replacement battery for Nokia 8
Hello, I'd like to show you my private comments and tests on the battery for this great phone. I tested many replacement battery for Nokia 8. A lot of people have trouble buying a new battery with sufficient capacity. I checked some batteries...
forum.xda-developers.com
Cheers.
Click to expand...
Click to collapse
@mati5000: Hello, sorry for my late reply. During my search of almost 2 and a half months I had seen your thread about the batteries for Nokia 8 and about the Wonkegonke battery and at the time I had considered buying it if it hadn't been a problem to send it from Aliexpress to the Balearic Islands-Spain because it didn't arrive by AirMail of Correos Company except if the shipment is made with a courier company such as DHL, MRW, etc. When I found this last one that I commented on in my post, I had already lost hope of finding an original battery for this mobile and my surprise was really great when I saw that it is 100% identical to the original (comment that even the date of manufacture marked on the new battery is 2 months after the one I removed from my mobile, a fact that I do not consider it a problem as long as the charge cycles are at zero). Right now I have had a month and a half with the new battery mounted on the mobile and I already glued the screen, comment that with the original Android 9 the battery lasted about 48 hours with 2.5-3 hours of screen use (the truth is that I am not abusing the use of the mobile and I use it only for the essential) and about 10 days ago I had released the bootloader, flashed the T-Virus and the latest version of AncientOS 5.7 Society with which the new battery lasts me around 36 hours (somewhat less than with the original, apparently this ROM has a higher battery consumption but it deserves it for everything else). I hope that my experience is useful for those who find themselves in the situation in which I was trapped and that if there is anyone else who is looking for a battery, they know where to find it and do not fall into the trap of the multitude of fake LI-polymer batteries that they are sold online (and even by technical services or stores) and that do not reach even half of the advertised load capacity or die after 1-2 weeks of use. Greetings and thanks for your answer!
@bunzo Big thanks for test this battery. I messaged with this seller few weeks ago. then I found your post.
Original battery is amazing after 4 years of use still have almost 92% of original capacity For comparison, my brother's iPhone 8+ has 78% battery capacity at the same time of use 4 years.
bunzo said:
(snip/cut text))
(very important element, apart from the size, in the case of lithium batteries, the original disassembled from my phone weighs about 42 grams, all the ones that have come down to me weighed about 30 grams). I start to see the "light at the end of the tunnel" and for the first time it looks good,
Click to expand...
Click to collapse
This, it seems like a lot, if not the majority of batteries sold as spare, on ebay, etc are cheap less powered knock-offs or old batteries re-branded as new. Especially for phones with replaceable, like old Samsungs, etc. Someone I know wanted a new battery for her Samsung Note 3 I think and bought 1 or 2 new ones from a "web store", when I checked them, they all weighed 10-15% less than the original old battery.
So it's good to know that someone found one that is not a scam or fake. Tanto trabajo, poco dinero (batteria)
@bunzo Thank you for this thread and your work trying to source a genuine Nokia 8 battery. Having read @mati5000 's thread I ordered a Wonkegonke battery and had high hopes. After waiting 3 months for it to arrive and actually getting a refund, I installed the battery only to find the accubattery reported battery reported as 1,658mAh after 7 sessions. That is worse than the original.
So, I have order a battery from Fonejoy and again, have high hopes! I will post my results.
@Birtybasset I am very sad that the battery Wonkegonke is not working properly.
Non-original batteries do not perform quality tests like originals, so you need to keep this in mind before buy.
Guaranteeing performance close to the factory battery will significantly increase the price which nobody usually wants pay, where most users usually replace the whole phone instead of the battery anyway.
Still testing that wonkegonke battery on my second Phone:
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For testing, intentionally I'm using a charger with fast charging functionality. This steps helps to evaluate the quality of the cells in battery.
After 96 charge sessions Wonkegonke lost almost 5% of the 90% capacity that was available after installation.
Perhaps if I had used a slower charger earlier the situation would have been much better.
Birtybasset said:
@bunzo Thank you for this thread and your work trying to source a genuine Nokia 8 battery. Having read @mati5000 's thread I ordered a Wonkegonke battery and had high hopes. After waiting 3 months for it to arrive and actually getting a refund, I installed the battery only to find the accubattery reported battery reported as 1,658mAh after 7 sessions. That is worse than the original.
So, I have order a battery from Fonejoy and again, have high hopes! I will post my results.
Click to expand...
Click to collapse
This is the link of the Fonejoy battery that I bought from eBay: https://www.ebay.es/itm/Genuine-Nok...ce5abd85b29a&epid=10028141754&redirect=mobile
bunzo said:
This is the link of the Fonejoy battery that I bought from eBay: https://www.ebay.es/itm/Genuine-Nok...ce5abd85b29a&epid=10028141754&redirect=mobile
Click to expand...
Click to collapse
I hope it will be useful for you.
Thanks for the link @bunzo , that is the battery I ordered and the one currently installed in my phone. Unfortunately, like the Wonkegonke battery, this too is showing a lower than expected Estimated capacity within AccuBattery.
I'm starting to think it must be something I am doing wrong or an issue with the phone!
The below is a screenshot after 2 full charges with the original Nokia 8 charger. I allowed the charge to go to 100% instead of the Accubattery recommended 80% if that matters?
Do you guys have any ideas?
Birtybasset said:
Thanks for the link @bunzo , that is the battery I ordered and the one currently installed in my phone. Unfortunately, like the Wonkegonke battery, this too is showing a lower than expected Estimated capacity within AccuBattery.
I'm starting to think it must be something I am doing wrong or an issue with the phone!
The below is a screenshot after 2 full charges with the original Nokia 8 charger. I allowed the charge to go to 100% instead of the Accubattery recommended 80% if that matters?
Do you guys have any ideas?
View attachment 5600811
Click to expand...
Click to collapse
Mine showed 3000mAh from 0 (phone shutting down) to 100% with Accubattery and with an USB multimeter too. This image statistic isn't real because you must reset the Accubattery and put it like an new installed, it,s showing 13 sessions, you said this battery was charged only twice
bunzo said:
Mine showed 3000mAh from 0 (phone shutting down) to 100% with Accubattery and with an USB multimeter too. This image statistic isn't real because you must reset the Accubattery and put it like an new installed, it,s showing 13 sessions, you said this battery was charged only twice
Click to expand...
Click to collapse
I mean that among the 13 sessions that it puts in the image that you have uploaded, only the last 2 are from the new battery, the previous ones are from the previous battery. To reset the Accubattery statistics I think there is an option in the configuration of the application itself or from settings you can delete data and cache and it is as if you would reinstall it
Well don't I feel silly! Thanks mate, I assumed that the app would adapt and update the battery health but apparently not. I have reinstalled the app and will test again overnight. There's probably nothing wrong with the other battery in this case so I am tempted to test that too. I shall report back.
Birtybasset said:
Well don't I feel silly! Thanks mate, I assumed that the app would adapt and update the battery health but apparently not. I have reinstalled the app and will test again overnight. There's probably nothing wrong with the other battery in this case so I am tempted to test that too. I shall report back.
Click to expand...
Click to collapse
Does the original new battery have such a low capacity?
Birtybasset said:
Well don't I feel silly! Thanks mate, I assumed that the app would adapt and update the battery health but apparently not. I have reinstalled the app and will test again overnight. There's probably nothing wrong with the other battery in this case so I am tempted to test that too. I shall report back.
Click to expand...
Click to collapse
Ok, tell me how it works after this
mati5000 said:
Does the original new battery have such a low capacity?
Click to expand...
Click to collapse
I don't think so, probably is for the same reason, not haven't reseted the Accubattery statistics
The battery statistics can be read correctly through the ADB console command. The original battery sends the correct data, where wongkegonke goes crazy.
Hello, i want to share my experience with this phone after 4 years of using daily.
Battery has still endurance about 2 days and more. 7-8 hours SOT.
Only thing, little bit more hot in summer on direct sunlight.
Comparing to other users of devices like apple, samsung, lg etc. is this experience almost impossible.
My questions: What can be real or truth from professional point of view about Li-Ion battery and its very good endurance after 4 years?
Worth for change if its in pretty good condition but 4 years old?
> What can be real or truth from scientific point of view? (if i am still using this phone)
nothing!
Lanchon said:
> What can be real or truth from scientific point of view? (if i am still using this phone)
nothing!
Click to expand...
Click to collapse
Because some iPhone 12 mini user replied to my comment in one review video about my phone and replied to me deeply about batteries and my stupidity, they can degrade their capacity. But i know from using this phone and Z1 compact, X compact, XZ1, XZ2, XZ2c and many, many, many other phones, what is true from real experience POV. Yes, some brands havent so good technology or so quality batteries and many users had bad experience from using their phone for 100-300 bucks fully new, or iPhone. I dont care about battery if i have XZ1 compact but if i am talking about my phone, no one believes me.
noone believes you because it is not true.
i am not saying you lie, but you are mistaken.
li-ion batteries loose capacity with cycles and age. at 4 years of use, your battery should be around 50% its original capacity, if looked for well.
there is no manufacturer magic here. its like saying your gas car doesnt need gas refills becasue its a better brand of car. its really that silly.
only way battery would be around 90% health today is if you charged it to 50% and stored it in the fridge the whole time, you didnt.
btw you should do that with battery spares.
Lanchon said:
noone believes you because it is not true.
i am not saying you lie, but you are mistaken.
li-ion batteries loose capacity with cycles and age. at 4 years of use, your battery should be around 50% its original capacity, if looked for well.
there is no manufacturer magic here. its like saying your gas car doesnt need gas refills becasue its a better brand of car. its really that silly.
only way battery would be around 90% health today is if you charged it to 50% and stored it in the fridge the whole time, you didnt.
btw you should do that with battery spares.
Click to expand...
Click to collapse
I know this for very long time, li-ion batteries loosing their capacities or degrade voltage after some year usage, but how li-ion battery directly on this phone can stay that long - around 4 years, still with 2-3+ days using daily and 7-8h SOT ? Before it had really similar endurance. Never disassembled.
because it was large to beguin with. now that its smaller it still lasts.
one thing is: if the battery is very large and you charge it every day (which you should) then the cycling is shallow and wont affect life much. couple that with maybe you live in a cold place, and it can last longer that expected.
Lanchon said:
because it was large to beguin with. now that its smaller it still lasts.
one thing is: if the battery is very large and you charge it every day (which you should) then the cycling is shallow and wont affect life much. couple that with maybe you live in a cold place, and it can last longer that expected.
Click to expand...
Click to collapse
I am charging it sometimes through PC, but most of time I am charging it with wall charger from Xiaomi Redmi Note 9 pro - on second day of usage (mostly after some 50-60 hours on standby) and my living has around 20 degrees. Also, my friend has this phone also 3 years not disassembled and he is also curious about battery endurance.
jurkoman said:
i typed adb shell dumpsys battery and it shows me still 100 percent of capacity.
Click to expand...
Click to collapse
Are you talking about these lines :
level: 33
scale: 100
Click to expand...
Click to collapse
Because it just means that your phone is fully charged (in my example above, it says that my phone is charged at 33%), not that the capacity is still as new.
Why in android i cannot know battery capacity directly like on iOS without testing in Accubattery for 8 hours+- and have primary phone in indisposition state? Is year 2022 and phone batteries are getting old, but maybe it is typical argument of "iPhone user".
When my phone ran stock android, I used to check it from time to time through the service menu (*#*#7378423#*#*).
That's a pity it can not be done in a vanilla/custom android.
This is an interesting question. Mine lasts one day, and I'm a heavy user but not a gamer. I charged it only to 80% during lifetime, but lately had to start charging to 100%
I started to dig and found info, that our beloved phone has Qnovo Adaptive Charging - so I guess it worked But this technology was not used in many phones - almost none. So I think this is most obvious answer. Which is funny if you read comments from 2018 stating Qnovo is useless BUT (big but here) I have no idea if this technology was adapted as software and/or hardware solution. From comments I read it can limit charging rate, and this is what I observe from time to time in my Lineage OS.
Other factors could contribute here:
- quality of used materials, including cathodes and anodes
- chosen technology for those as well
- charging controller - quality and logic (Qnovo?)
- how easy battery dissipates heat - heat is the battery killer
- even quality of included charger - my subjective opinion is, that newer, more powerful chargers, while charge faster, make the phone also hotter. So I avoid them
Another thing to consider - if Sony paid Qnovo, it means they cared about batery life. So other tricks could have been involved.
Also I guess such type of phone was not bought by cool kids / gamers (it is small and not cool . So usage pattern will be different (apps, tasks) which may also change battery wear over time.
In the end OS will also affect battery life. Sony was not adding ton of features to their official ROMs, which could increase battery drain. Of course it was never a vanilla, but still not something terrible (3.6
Were things start to get interesting... If you try to find battery replacement. It is very hard to find battery replacement on the market with original capacity of 2700. While many years after premiere technology evolved. So it had to be sth special about them, as they squeezed 2700 inside, but nowadays you cannot find equal replacement, not speaking about increased capacity, which would be much more fun.
I still use this phone everyday and I would like to know the battery manufacturer.
Few weeks ago I did a battery degradation test, and after 5 years the battery is at 80%. I can use the phone up to two days (no gaming).
Samsung galaxy s3 and s5 batteries last max a couple of years (the battery was at 50% aprox).
Were things start to get interesting... If you try to find battery replacement. It is very hard to find battery replacement on the market with original capacity of 2700. While many years after premiere technology evolved. So it had to be sth special about them, as they squeezed 2700 inside, but nowadays you cannot find equal replacement, not speaking about increased capacity, which would be much more fun.
Click to expand...
Click to collapse
To my knowledge, the only batteries that have even close to 2700 mAh on the market are from phones that saw little to no usage over the years and the battery has been kept at around 50% charge after all these years. Which it, to say the least, rare.
The reason for this is that Sony wants us to go pay for a new phone, so they sell underperforming batteries as official replacements. Of course, the Chinese don't do much better either and 3rd party battery manufacturers won't bother to make such a battery because there will be very little orders of such part. Here is a conversation between me and a battery manufacturer in China, when I was trying to design a battery:
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Me:
(...) the tabs (cathode and anode) are too far away from each other in the image. I specified 10 mm spacing from battery corner to tab, 20 mm spacing between tabs.
Click to expand...
Click to collapse
Manufacturer:
I recommend this battery because I want to reduce your cost.
If the nickel sheet needs to be adjusted, redesigned and customized, the customization cost is 3,000 dollars, and the purchase quantity is required to be 10,000 batteries.
Click to expand...
Click to collapse
I was requesting this adjustment so that I didn't have to redesign the whole BMS, but just solder this new battery's tabs to the BMS we have now, hence losing 0 functionality.
Of course, the manufacturer's message was a clear step-back at the time, giving me reason to think the situation through. The next step was clear, however. The main chip on the BMS responsible for OCP (overcurrent), OVP, OCP (overcharge), etc. and reporting battery percentage and temperature had to be localized and wired just like in the original BMS. The only thing that required change was the pad positioning on the PCB for the cathode and anode.
The chip is a muRata internal chip, with untraceable codes: 401C02M8 and 2BN0R420
I replied to the manufacturer last week, asking for their help in tracking down this chip and the connector on the BMS that connects the BMS to the phone motherboard. Here's how that conversation went:
Manufacturer:
I need a little time to reply to you, because I don't have Sony battery, so I'm not sure which connectors are. If you need to make sure, I'll send you the quotation tomorrow for confirmation, and we can do it if you are sure it's ok.
In addition, after the development of BMS, will you have a large number of purchases later?
Click to expand...
Click to collapse
Me:
More than 10? For now, definitely not. In the future, it depends on how the product will sell.
Click to expand...
Click to collapse
It's been 3 days since "tomorrow", but the "quotation" never came. I would assume the situation with the 10,000 batteries is repeated.
So, yeah. If the manufacturers require such high orders, I think everybody could realize why Sony is doing what they are doing and why 3rd parties provide fairly poor replacements, if any.
So, no better battery on the horizon for our beloved, but at least now we know where we need to look.
Plus, on a positive note, the smallest powerhouse alternative to the Xperia XZ1 Compact is, as we all know, the iPhone SE series. Well, they're not much better. Even with PolarCell's (claimed 2300 mAh, but actually only) 2000 mAh battery, which is higher than the original's 1821 (SE 2nd gen.), doesn't hold up any better than the XZ1 Compact. Absolutely huge drain while in standby, up to 10% after 10 hours of standby in airplane mode. Max SOT I've seen is somewhere around 6 hours (hard to measure on iOS, 'cause why would it be easy?). "Investment" not recommended.
Man, congrats for going as far as talking to manufacturer!
antoniu200 said:
To my knowledge, the only batteries that have even close to 2700 mAh on the market are from phones that saw little to no usage over the years and the battery has been kept at around 50% charge after all these years. Which it, to say the least, rare.
The reason for this is that Sony wants us to go pay for a new phone, so they sell underperforming batteries as official replacements. Of course, the Chinese don't do much better either and 3rd party battery manufacturers won't bother to make such a battery because there will be very little orders of such part. Here is a conversation between me and a battery manufacturer in China, when I was trying to design a battery:
View attachment 5907323
Me:
Manufacturer:
I was requesting this adjustment so that I didn't have to redesign the whole BMS, but just solder this new battery's tabs to the BMS we have now, hence losing 0 functionality.
Of course, the manufacturer's message was a clear step-back at the time, giving me reason to think the situation through. The next step was clear, however. The main chip on the BMS responsible for OCP (overcurrent), OVP, OCP (overcharge), etc. and reporting battery percentage and temperature had to be localized and wired just like in the original BMS. The only thing that required change was the pad positioning on the PCB for the cathode and anode.
The chip is a muRata internal chip, with untraceable codes: 401C02M8 and 2BN0R420
View attachment 5907331
I replied to the manufacturer last week, asking for their help in tracking down this chip and the connector on the BMS that connects the BMS to the phone motherboard. Here's how that conversation went:
Manufacturer:
Me:
It's been 3 days since "tomorrow", but the "quotation" never came. I would assume the situation with the 10,000 batteries is repeated.
So, yeah. If the manufacturers require such high orders, I think everybody could realize why Sony is doing what they are doing and why 3rd parties provide fairly poor replacements, if any.
So, no better battery on the horizon for our beloved, but at least now we know where we need to look.
Plus, on a positive note, the smallest powerhouse alternative to the Xperia XZ1 Compact is, as we all know, the iPhone SE series. Well, they're not much better. Even with PolarCell's (claimed 2300 mAh, but actually only) 2000 mAh battery, which is higher than the original's 1821 (SE 2nd gen.), doesn't hold up any better than the XZ1 Compact. Absolutely huge drain while in standby, up to 10% after 10 hours of standby in airplane mode. Max SOT I've seen is somewhere around 6 hours (hard to measure on iOS, 'cause why would it be easy?). "Investment" not recommended.
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I would've lied to him about the purchases.
Arcline said:
I would've lied to him about the purchases.
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And then what? End up buying 10 000? I am talking for real with the guy, not just speculations.
On another train of thoughts, the guy came back with a reply. after a week. He ordered the original battery to analyse its BMS for me and it should arrive Monday.