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htc hd2 1850 mAh battery - is it safe

i am planing to buy a 1850 mah battery for my htc hd2 and i have two questions:
this battery:
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1. is it safe ( will the phone overheat and the processor die or something ?? )
2. if it is safe, is there some special setup to install the battery that it would work correctly or just turn off my hd2 and switch the original 1300 mah
with a 1850 mah battery and turn it on again ?

It is a cheap cell with false mAh claim.
At best it will be around same as original 1230mAh
At worst it will explode !
Be careful with these after-market cells.
Andida, Feipusi & Tekcomm have some proven record but none had the claimed capacity of 1600mAh+
I have Andida cells almost 2years old & they work quite good & at about $6.50USD are cheap replacements.
Feipusi & Tekcomm also been ok for me as cheap replacements/spares.
Standard size 1600mAh+ batteries simply are not available ...

thanks for the info.:good:

review on standard size better capacity batteries are available in forums. but personally i would say difference is negligible. try the high capacity bulky batteries. they atleast provide your device with some juice to work on.

no problem it is safe

If they are the same size as the original 1230 mAH, they are not 1850. I use original HTC 2300 mAH battery

where can i buy this ?

mrhuynguyenhoang said:
no problem it is safe
Click to expand...
Click to collapse
Big fat liar.
How can you say it's safe when there's not even a ONE safety mark print?
Also those batteries are a lottery:
-it might work, may not.
-it may explode and HURT/KILL YOU
Try more reliable sources(Andida, Mugen though they sell fake capacity batteries too) which are known better and at least contain CE marking. Or best, buy OEM battery for real capacity and safety.
With cheap batteries you never know what could happen.
Also, there is NO bigger capacity than 1230mAh for standard flat battery. IT DOES NOT EXIST.
http://batteryboss.org/

mrhuynguyenhoang said:
no problem it is safe
Click to expand...
Click to collapse
This person should not be here at all for giving false info to people. What a cr**ker !
These cheap chinese batteries will do nothing but damage your HD2 in no time. Buy something as suggested by Mr.B, he knows what he's talking about.

I have used the Mugen extended batteries that gave no problems up till I ran over the phone with my bike. Gave the phone new life as I didn't have to charge it daily anymore.

crampedagain said:
I have used the Mugen extended batteries that gave no problems up till I ran over the phone with my bike. Gave the phone new life as I didn't have to charge it daily anymore.
Click to expand...
Click to collapse
+1 for Mugen extended batterie. I have one with 2600mha. i have no problems, only the battery temperature is a bit higher. :good:

Dying battery after 11 months, anyone else?

Not really troubleshooting, but a question.
How many of you have had your battery start to fail already?
My battery will go from 15-20% to dead, not even showing the quit animation any more. Charges waaay too fast to 30%.
I charge it every night, so I can't see how I've possibly spent the 500 cycles. And I don't even have the turbo charger that I thought would ruin battery life.
I work with phones, and I'm seeing a really disturbing trend with batteries, LiPo is a rubbish technology. Never seems to last more than a year these days.
I have ancient phones with Li-Ion that are still working at 70% capacity or more after five years.

Shadowdancer123 said:
Not really troubleshooting, but a question.
How many of you have had your battery start to fail already?
My battery will go from 15-20% to dead, not even showing the quit animation any more. Charges waaay too fast to 30%.
I charge it every night, so I can't see how I've possibly spent the 500 cycles. And I don't even have the turbo charger that I thought would ruin battery life.
I work with phones, and I'm seeing a really disturbing trend with batteries, LiPo is a rubbish technology. Never seems to last more than a year these days.
I have ancient phones with Li-Ion that are still working at 70% capacity or more after five years.
Click to expand...
Click to collapse
I agree with you the LiPo technology seems outdated, and a change is needed to keep up with the hardware these days screens, CPU, all the sensors that have gotten more powerful over time. Have you tried to retain your battery at all? Run your phone till your battery is completely dead/won't even power the phone up at all. Then charge while the phone is off and untouched till 100% might help your battery life a bit

Same issue here. Started with the 5.1 update for me. Hits 15% and seems to die in 20 minutes or less

Charge your phone to 100%, put it in airplane mode and then leave it overnight. In the morning you'll know whether it's a rogue app or process or indeed a bad battery.
Sent from my VS986 using XDA Free mobile app

I have the same issue, I think is a bad battery, because when my moto x shuts down, I notice a big battery voltage drop.
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Enviado de meu Nexus 7 usando Tapatalk

Mine does same. Shuts off about 10-15% and won't boot back up.
Sent from my XT1096 using Tapatalk

I will try replacing my battery, and if it solves the problem and post the result here.
For me is bad don't know when my device is charged or not. I have attached an example of the strange behavior when my MotoX is charging.
Enviado de meu XT1097 usando Tapatalk

Battery life question

Since it takes ~40 minutes to get to 80% from 0%and that 80% lasts from morning until night. Does pulling the plug at 80% help the battery last longer in terms of months and years? Seems silly to wait another 40 minutes to get from 80% to 100% if 99% of the time it's not even needed. Any positives or negatives of my strategy?
Here is what I average with my normal daily usage.
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954wrecker said:
Since it takes ~40 minutes to get to 80% from 0%and that 80% lasts from morning until night. Does pulling the plug at 80% help the battery last longer in terms of months and years? Seems silly to wait another 40 minutes to get from 80% to 100% if 99% of the time it's not even needed. Any positives or negatives of my strategy?
Here is what I average with my normal daily usage.
Click to expand...
Click to collapse
Dude.. don't post your battery stats...you are just making people jealous :laugh:

Partial charges supposedly only count towards a fraction of a "charge cycle", so I think (as long as you believe this sort of stuff) that you're doing fine. Fast charging , aside from fast-charging that increases heat significantly in a battery, doesn't hurt li-ion batteries either.
That's the version of battery lore I've heard. I suspect it's something like "the fish aren't biting today because .... the clouds are too low, no, the sun is too high .. no .."".

Is anyone know what is Uninstalled meant? It used 6% of my +3T battery.??
OnePlus 3T
128 Gunmetal
Rogers Network

jimaginet said:
Is anyone know what is Uninstalled meant? It used 6% of my +3T battery.??
OnePlus 3T
128 Gunmetal
Rogers Network
Click to expand...
Click to collapse
It means you had an app installed. Was using it. It used battery and then Uninstalled it. So now it's showing that because you no longer have the app on your device

hachamacha said:
Partial charges supposedly only count towards a fraction of a "charge cycle", so I think (as long as you believe this sort of stuff) that you're doing fine. Fast charging , aside from fast-charging that increases heat significantly in a battery, doesn't hurt li-ion batteries either.
That's the version of battery lore I've heard. I suspect it's something like "the fish aren't biting today because .... the clouds are too low, no, the sun is too high .. no .."".
Click to expand...
Click to collapse
I've also heard that draining the battery down to 0% or close to it causes harm to the battery. I haven't read any actual tests to prove it, but, it sounds reasonable.

dueydotnet said:
I've also heard that draining the battery down to 0% or close to it causes harm to the battery. I haven't read any actual tests to prove it, but, it sounds reasonable.
Click to expand...
Click to collapse
I don't know if it causes harm, but I've had a few phones where I let batteries discharge all the way, and they did not want to start charging again. It's as if they needed some tiny bit of charge in order for the little logic that exists on phone batteries to function. (I'm not sure that's true for all batteries, but it is for some).

Nokia 8 battery replacement

Hello,
Has anyone had any luck getting a good replacement battery for Nokia 8 (HE328 battery) in India, off Amazon/Flipkart or some other means? I have tried 4 batteries already, and every single one of them were fake.
1) UTRONIC HE328 battery (seller-SYS online store) - Amazon page-3030mah, on battery label:3030mah, actual capacity: 1400mah
Battery temperature sensor not working/always at 25°C, battery physically smaller than original
2) SAFA Mobile battery for Nokia 8 (seller: Glowing98. ) - Flipkart page: 3030mah, on battery label: 3030mah, actual capacity: 1850mah
Battery temperature sensor not working/always at 25°C, battery physically same size as original. Battery percentage varied crazily, with 4-10 % drawing in 450mah, 45-51 drawing 60mah, and so on.
3) UTRONIC HE328 battery (seller-UTRONIC) - Amazon page:3030mah, on battery label: 2630mah, actual capacity: still under testing (assuming to be close to 2100mah, will update when I confirm).
Battery temperature sensor not working/always at 25°C, battery physically smaller than original
4) There was a battery from an offline store, but it was almost 1400mah, so returned.
So far, (3) is the best possible battery I got. All the batteries had a different type connector (sort of like a 'S' shape?) , different from the original connector. None of them had working temperature sensors.
All the tests were done in at least 5 charge cycles from 0-100% (Discharging till 0 is bad, I know. But one of these batteries gave out a lot of charge (~100mah) with just 1% charge, so it had to be done for testing).
I will update this thread if I find a good battery, but if anyone had any luck with any batteries from Amazon/Flipkart, or some retailer in India (since i can't wait for a lot of days for international delivery), please post your experience/link to the battery/battery name and seller.
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Finally found a good battery:
SAFA Mobile battery for Nokia 8 HE328, seller: Shoponenet, on Flipkart
This battery looks exactly like the OEM (it might even be an OEM battery), same physical size and labels. Rated capacity: 3030mah, Actual capacity after testing: 2950mah
This battery has a health of over 95%, which is really good, and gave me an SOT close to 10 hours, which is really good for my use case.
The battery connector is the same as an OEM battery (not the fake 'S' shaped connector), and has a working battery temperature sensor.
DON'T FORGET TO BUY FROM THE SELLER Shoponenet, since the same battery from a different seller gave drastically different results.
(I'm posting this as a reply in this thread, so that the info regarding a good battery is not lost in the list of various other poor quality batteries I had tested)

Battery Life

Hi,
Is this normal battery? No motion sense/90 htz/location etc.
All background activity halted.
Strange...
Thanks in advance
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@Openfire72
Yes, after 185 charge cycles your battery's capacity is (permanently) down to 90% of the original battery capacity. That is if the original capacity was only 3,700 mAh. Most P4XL batteries start out higher than that, so your capacity loss is probably greater. My replacement P4XL is still at 106% of the "original" capacity... which is basically the Google specified capacity. Since you use AB, you know you should try to NOT charge the battery much over ~80% and you will save a TON of battery wear cycles. I generally start charging around 20-25% and run it up to 80 or 85 (+60%). The battery wear cycle for this is about 0.22. In your screenshot, one of your charge sessions was from 57-100% costing you a 0.91 wear cycles. That means I can charge my battery 4 times (0.88) and still have less battery wear than your one charge (0.91). If you want to retain your remaining battery capacity as long as possible, try keeping to this 20-80 regimen as much as you can.
EDIT: Scroll down the health tab and post a screen of your scatter chart which will show you graphically your charging habits over time.
EDIT2: In the attached screenshot look at the battery wear cycles vs "added charge" On the bottom charge cycle, I added 67% charge at a penalty of only 0.22 battery wear cycle.

Hi, and thanks for your help on this as it's greatly appreciated. The phone gets paid off next month and after two years there's nothing I like apart from this device. I'll prob get a new battery!!! Great phones despite the small battery....I wasn't bothered about the ultrawide as I don't use one, but if they'd just stuck a bigger battery in....if!