So I got a 3500mAh Sedio battery a week ago, and so far its been great. With heavy usage it lasts atleast 2 days. But a weird thing happened to me last night...
I set my alarm, and noticed I had 30% battery left. I figured that was more than enough to last through the night, so I didn't plug it in. But in the morning, my phone was dead!
Check out the log:
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This graph is showing a 70% drain over 40 hours, which is normal. But what happened between ~2am and ~7am!?!? (Very right of the graph)
The only thing I've done differently was turn the brightness down to very minimum so I could use it in the dark without burning out my eyes. That doesn't seem a likely cause for such a sharp battery drain though. I also made sure that all tasks were closed before sleeping, as I do every night.
Anyone have any thoughts about why this occurred? I certainly hope the battery isn't going bad already!
In my experience of lithium-ion batteries, the voltage drop tends to be non-linear, and can be very difficult to estimate. Because you are using a higher capacity battery than the standard HTC 1300mAh, it doesn't estimate your battery life as accurately. Mainly (I would guess) because the software is profiled to base it on typical voltage curves of the 1300mAh, and not your beastly 3500mAh. Typically with lithium-ion, you'll see a steady linear drop in voltage until some cutoff point, where it then takes an exponential curve down to zero. My guess is that particular voltage is somewhere when your phone thinks it's got about 25% life left. I don't think there is anything wrong with your battery or phone, I would just assume that your phone tends to over estimate slightly.
Another thing to consider is what the temperature at the time was. Temperature tends to affect the output voltage and then the % battery life as a result. If it was warm or cold, this would also skew the values of your battery life. Usually within typical room temperatures you would see no changes, but I don't know, maybe you live in an igloo!
Hope that helps. On that note, how do you like the 3500mAh? 40hrs sounds like a ton of extra juice! It's not too bulky or anything?
Thank you for your reply. What you say does make sense, but its really weird because I've been discharging it to 5% every time now (conditioning it 6 times, this is my 5th time). All the other times it was a steady drop from 30% to 5%, nothing fast like this, at least as far as I can remember. I'll certainly keep an eye on it though. It wasn't fun to wake up and realize I was late for work, haha.
The battery is fantastic. I use my phone all the time, mainly for games and surfing, plus tons of modding. Thought the day I'll receive a handful of texts, use maps once in awhile, and have bluetooth music going for 2 hours a day. On my 1300 battery, I had everything optimized for maximum battery life, and it'd typically be 20% at end of work day.
With this 3500 monster though, it only goes down to 70% at the end of the day. Its super nice. The battery makes the phone larger, sure. I thought it looked really ugly while I was researching the battery, but once I received it its no problem! Not an eye sore; the phone looks pretty much like it was made like that. I don't even notice it, both aesthetically and form wise. Fits in my hand just as well as it did before, plus the larger door protects the camera lens. Win win all around imo!
Related
Hi.
Some background info:
Alright, I've been away over the weekend to a friends place where there is no power at all and successfully managed to keep my phone alive during the whole weekend but I did notice some weird stuff with the phone not reading the battery stats as it should when it gets cold.
After each time I got inside again after being out in around -20 degrees Celsius I noticed how my battery percentage gets really low, but then it doesn't get any lower at all for hours. If I reboot, it can jump back up to the battery percentage it should show; and I can actually repeat doing this how many times I want - I just make the phone get really cold and then make it warm again! So it is not a random bug that just happens once in a while, it happens all the time. You know, it's a bit cold here in Sweden from time to time
Anyway, my battery stats in settings look like a roller coaster or something and I have no idea why the phone seems to not being able to read the battery stats properly when it is cold.
So, the question is: anyone here who can bring some clarity to this thing?
Yes - I have tried to search for it on google but didn't find anything that's interesting, only some stuff that has absolutely nothing to do with what I wanted to know.
Thanks in advance, hopefully someone could explain this... For me, it is just really weird. And hopefully you guys can understand what I'm trying to say, I'm a bit tired
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^ that's what I mean
(random fact: 8% battery left and it has been on for 3 days, 15 hours and 45 minutes and I'm actually going to charge it right about now)
Well, it's known science related to chemistry/physics that running at colder temperatures slows down the heat dissipation. It doesn't mean exactly like going to extremes like 0C will do the trick, as there are thresholds for between hot and cold temps that mark the optimal battery operating temp.
Doing things that cause high heat dissipation, such as running navigation, is usually extraneously involved with battery drain (happens at the same time, but might not necessarily cause the other).
IE, the hotter the temperature of the battery is, the more it will drain.
Thus, if you are in colder weather outside it obviously makes sense that the weather is affecting your battery from generating as much heat. I don't think you are in freezing temps either, so it's more like optimal range temperature-wise.
There are a few articles written from a science perspective on it:
http://chemistry.about.com/od/howthingsworkfaqs/f/coldbattery.htm
Why Do Batteries Discharge More Quickly in Cold Weather?
By Anne Marie Helmenstine, Ph.D., About.com Guide
One solution to this problem is to make certain batteries are warm just prior to use. Preheating batteries is not unusual for certain situations. If the battery is already warm and insulated, it may make sense to use the battery's own power to operate a heating coil. It is reasonable to have batteries warm for use, but the discharge curve for most batteries is more dependent on battery design and chemistry than on temperature. This means that if the current drawn by the equipment is low in relation to the power rating of the cell, then the effect of temperature may be negligible.
On the other hand, when a battery is not in use, it will slowly lose its charge as a result of leakage between the terminals. This chemical reaction is also temperature dependent, so unused batteries will lose their charge more slowly at cooler temperatures than at warmer temperatures. For example, certain rechargeable batteries may go flat in approximately two weeks at normal room temperature, but may last more than twice as long if refrigerated.
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Click to collapse
http://www.wisegeek.com/do-batteries-really-last-longer-if-they-are-stored-in-the-refrigerator.htm
Household alkaline batteries generate their electrical power through a chemical reaction. Each battery contains alternating layers of two different metals and an alkaline liquid which acts as an electrolyte. When an electrical circuit is complete, free electrons flow out of the negative poles of the batteries, move through the device, and return to the batteries through the positive poles. This process continues until the electrolyte fluid can no longer keep the free electrons flowing. As long as unused batteries are kept in a cool, dry space, they could remain usable for five years or more. The electrolyte fluid retains an estimated 90% of its power as long as the batteries are not allowed to overheat or become unsealed.
This is where the refrigeration issue enters the picture. A household refrigerator typically holds food at 40° Fahrenheit (approximately 10° Celsius) or lower, and the atmosphere inside a refrigerator is very low in humidity. In other words, a refrigerator appears to be the ideal environment for the storage of alkaline batteries. All batteries will eventually lose their charge due to a slow drain of their electrolytes' power. The lower the ambient temperature, however, the slower this power drain could be. According to the results of several scientific tests, batteries stored at refrigerator temperatures do indeed last longer than batteries stored at higher temperatures, but on average the difference is only a few percentage points. Alkaline batteries stored in a refrigerator may retain 93% of their power after five years, compared to 90% for non-refrigerated batteries stored in cool, dry areas.
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And now there's only one question left; why doesn't my phone read the battery stats properly when it is cold?
kaijura: thanks
Hi,
I've had a Nexus 6 for some days now, and its battery life doesn't seem too good. I'm used to leave my phone overnight and wake up to it having over 90% battery left, but with the N6 it usually has a little over 80. Today it had 83%, and after browsing the web for some minutes (maybe 10 or 15) it's down to 75%... That's almost 1% a minute, which seems a lot to me.
If I take a look at the battery screen, I see this:
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If I'm not mistaken, something seems to have kept the phone awake during the night. Is that right? I'm using M preview 2, could that be causing the problem? Is the phone defective? What could be wrong here?
Thanks in advance for your help.
PS. Battery life is at 71%... That's 4% down since I wrote that part above. This thing drains so fast it's scary.
It could be anything from the ROM itself to a Rouge app. I would flash back to bone stock and see what you get over a few days with a couple charge cycles. And then compare with another ROM.
frandavid100 said:
Hi,
I've had a Nexus 6 for some days now, and its battery life doesn't seem too good. I'm used to leave my phone overnight and wake up to it having over 90% battery left, but with the N6 it usually has a little over 80. Today it had 83%, and after browsing the web for some minutes (maybe 10 or 15) it's down to 75%... That's almost 1% a minute, which seems a lot to me.
If I take a look at the battery screen, I see this:
If I'm not mistaken, something seems to have kept the phone awake during the night. Is that right? I'm using M preview 2, could that be causing the problem? Is the phone defective? What could be wrong here?
Thanks in advance for your help.
PS. Battery life is at 71%... That's 4% down since I wrote that part above. This thing drains so fast it's scary.
Click to expand...
Click to collapse
Yes the andoird m preview 2 is not showing battery stats correctly. You will probably notice that once your phone goes down to 1% it could stay there for an hour or so. Just be sure to run the phone to complete 0%. Then charge to 100% and leave for about an hour after that. That should recalibrate it after a few cycles. It is a widespread "issue" with the m preview 2.
Sent from my Nexus 6 using XDA Free mobile app
why dont you keep it on the charger overnight, that way itll be at 100% for you??? it does not hurt the phone, at all.
simms22 said:
why dont you keep it on the charger overnight, that way itll be at 100% for you??? it does not hurt the phone, at all.
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+1 to this. I use a lower voltage charger, not the turbo charger, and charge my N6 while I sleep. I have since day one with this beast. I've had it since November 20.
Evolution_Tech said:
+1 to this. I use a lower voltage charger, not the turbo charger, and charge my N6 while I sleep. I have since day one with this beast. I've had it since November 20.
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i use the turbo charger. but it doesnt matter. if you watch the voltage going in, it get drastically reduced above 92%, and again at like 97%. and when the device actually stops charging, its at 0% voltage going in. btw, most times it does not stop charging at 100%. that happens anywhere from 5 minutes to 30 minutes after hitting 100%. thats because our battery % is slightly off.
Hello dear XDA friends, Although I don't post a lot I still love you all .
Anyway, I am really tempted to get a Mate S ($/€319) after my LG G3's screen basically broke in half, the battery exploded and the touchscreen only working 10%, it's basically useless right now and I need a phone to replace it for a while until I decide what's going to be my ''real'' phone (I hate Apple but the 7+ Camera is amazing but then again maybe note 7 refurbs will be cheap.) So yeah I need to bridge the gap and I want to gift it to a relative when I'm done with it.
So is it worth it for 300 bucks?
Hi,
I have the phone since 3 months now (rooted and latest rom version) and it is in overall very good but the battery. Screen is very great but although there are a good device manager, it doesn't stand a full day without reloading.
Also you can see from the different posts that this phone is not very popular among Android's cooks. So not a lot of answers and not a lot of tricks and tweaks. I regret the time I had a Nexus 4 where community was very active. Anyway, as I am really focused on battery life, this is the real flaw of this phone for me. But I guess there are not many phones that could do better.
dai75 said:
Hi,
I have the phone since 3 months now (rooted and latest rom version) and it is in overall very good but the battery. Screen is very great but although there are a good device manager, it doesn't stand a full day without reloading.
Also you can see from the different posts that this phone is not very popular among Android's cooks. So not a lot of answers and not a lot of tricks and tweaks. I regret the time I had a Nexus 4 where community was very active. Anyway, as I am really focused on battery life, this is the real flaw of this phone for me. But I guess there are not many phones that could do better.
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What's the longest screen on time you got?
It actually depends what you gonna do with this phone.
I own it for last 8 months never really felt need for better battery during normal usage.
My typical usage with all the time brightness at auto and slider at max ( which on huawei even when inside usually means 80-90% brightness ) and outside always even when is dim day is 100% or boosted screen mode ends up with average 4:30-5h SOT with around 18-20hrs on battery. This is with about 60% wifi 40% 3g.
This includes bunch of social apps, youtube , music, calls, sms, light gaming of around 1hr per day.
The great thing about this phone is its soc and screen, the to S-amoled it never gets hot thus for it doesn't drain battery life fast like snapdragon devices.
Biggest fall of this soc is its GPU it isn't as good for heavy games like s810 devices for example.
If you're not a gamer I highly suggest this phone. If you have more money I suggest p9+, its a beast in all regards.
Here my current battery life stats
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Xdekker said:
What's the longest screen on time you got?
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As you can see, I charged my phone and unplugged at 00.14. Wi-Fi off and no mobile data, no screen on. No apps running apart from home launcher and myProfile. All others are greenified. So in around 8h sleep it decreased by 20%.
I tried many tricks and I consider myself skilful for this (my LG G2 could last 3 days) but cannot do better with this one. The ROM is not good enough yet and update frequency is not good.
Got the LG G4 so this one can be closed
It seems that I can't get Battery Care to trigger consistently at night even though I always go to bed somewhere between 11-1 and get up at 7 on weekdays or 9ish on weekends.
I realized though that I happen to have a pretty slow 500 mA USB port charger from back in the day. If I go to bed with the phone at 20% it would take over 4 hours to charge, meaning the phone spends less than half the night at 100%. Maybe this is the next best thing?
cmstlist said:
It seems that I can't get Battery Care to trigger consistently at night even though I always go to bed somewhere between 11-1 and get up at 7 on weekdays or 9ish on weekends.
I realized though that I happen to have a pretty slow 500 mA USB port charger from back in the day. If I go to bed with the phone at 20% it would take over 4 hours to charge, meaning the phone spends less than half the night at 100%. Maybe this is the next best thing?
Click to expand...
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I'm using charger UC 12 it gets charge at super speed but yet it never triggered Battery care (using x compact for the last one week)
Nauju said:
I'm using charger UC 12 it gets charge at super speed but yet it never triggered Battery care (using x compact for the last one week)
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How fast does it charge? I have not seen any evidence of anyone being able to charge the X Compact any faster than about 1%/minute which is not super speed by any measure.
@cmstlist I'll try to check it out next time I charge. Feels pretty fast, but then again my previous phone was Z1c...
I usually get battery care where night time is the the first major charge of the day (sadly that's not always the case since I'm getting pretty disappointing battery life my Xc came with stock 7.0...).
I'm using the UCH-12 (supplied), have similar hours to you. When it turns on it reports a plan to be @100% 2hr~ before I wake up.
I was actually wondering is this feature any good (theoretically at least) or just voodoo?
Mine came with UCH 20 rather than 12. So far I'm never needing to charge it all day if I started at 100. Sometimes it's above 60 by bedtime so I don't start to charge it until morning.
Sent from my SM-T320 using Tapatalk
For what it's worth, here's a graph of how the UCH 20 charges it with Battery Care. Normal speed until 90%, flat until almost wake time, then up to 100.
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32% -> 88% in 64min 1%/1.14min WITH screen-OFF usage (Music stream w/ WIFI+BT headset + WhatsApp web).
It started faster @ 1%/0.9min then I guess I used it more/slowed down on its own.
NO battery care triggered.
That's pretty good for me, being able to use the phone and still charge fast.
Yeah so it seems like the fastest it'll charge under any circumstances is slightly above 1%/min.
Sent from my F5321 using Tapatalk
So the battery care only works with certain Sony chargers?
Sent from my F5321 using Tapatalk
For what it's worth, Battery Care will trigger with any kind of charger, even a slow trickle. So even if in only charging at 1%/3mins, it'll still plateau at 90% for a while.
Sent from my SM-T320 using Tapatalk
I purchased this about a month ago. I have been reading a lot of posts out here about people having fairly low battery life. So I had installed Accubattery to see if the discharge is abnormal. I checked today and it seems like Accubattery is claiming that my battery is only at 50~% health. Now I am unsure that if this is because it is a genuine fault or because this phone is supposed to have 2 2500mAh batteries and Accubattery is detecting only one of them. Any idea about this?
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What are your SOT vs battery percent used?
History tab...
blackhawk said:
What are your SOT vs battery percent used?
History tab...
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I've had my 11T Pro for roughly two weeks and I have the same issue.
It doesn't read charging speed correctly which confuses it's health calculations.
I'm sure your phone is fine.
scaryterry2903 said:
View attachment 5539025
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Those SOT numbers seem erratic. Some reasonable, others look impossible.
When you're using the browser not watching vids the usage should low.
As the previous poster mentioned it may just not have good sensing for battery usage.
Accubattery is only as good as the data it's getting. Even then it can screw up. I don't understand what's going on there.
Rather strange. I don't have that phone so I don't know what it's nominal run time should be. If it's running cool and you can get 8-10 hours SOT you're probably in the ball park.
blackhawk said:
Those SOT numbers seem erratic. Some reasonable, others look impossible.
When you're using the browser not watching vids the usage should low.
As the previous poster mentioned it may just not have good sensing for battery usage.
Accubattery is only as good as the data it's getting. Even then it can screw up. I don't understand what's going on there.
Rather strange. I don't have that phone so I don't know what it's nominal run time should be. If it's running cool and you can get 8-10 hours SOT you're probably in the ball park.
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Hmmm, okay. I'll continue observing my phone's behaviour then. I do get over 8-10 hours SOT on medium usage. Additionally, I read from other threads that the 120W charger isn't charging the phone fully and it makes sense to charge with a lower power charger. So I will try that as well. Will keep this thread updated if I see any improvements.
Accubattery doesn't work well with dual battery setup, that's why it's showing Battery health at 47%.
Set design capacity to 2500.
11T PRO has 2x 2500mah battery for ultra fast charging. Set the design capacity to 2500 and you will be fine.
Pichulec said:
11T PRO has 2x 2500mah battery for ultra fast charging. Set the design capacity to 2500 and you will be fine.
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This presents a potential problem in the future as one battery can degrade and fail independently of the other. You really need to be able to monitoring both.
If the manufacturer designed it properly each battery should have its own power controller in a perfect world. Not sure if this is so on any of the dual battery phones...
blackhawk said:
This presents a potential problem in the future as one battery can degrade and fail independently of the other. You really need to be able to monitoring both.
If the manufacturer designed it properly each battery should have its own power controller in a perfect world. Not sure if this is so on any of the dual battery phones...
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I reached out to Accubattery support team and this was their reply.
Link from the email