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I own an Android smartphone with a lithium-ion battery. I want its installed rechargeable battery to remain useful for a decade, if possible. Completely improbable. Even in optimal storage conditions, a rechargeable Li-ion battery will not last 5 years let alone 10. And optimal storage conditions means 40% charge at 0°C, not room temperature. Secondary ...


2

Motorola Droid 4 XT894 has 1785mAh battery with 2% tolerance i.e 1735mAh actual battery capacity. Your seller seems to have fooled you. Also it doesn't seem like the seller put up the battery description as 3300mAh by mistake as he has put this in Title name itself You could have taken out the battery from phone and flipped it to see the battery capacity ...


2

I had a similar problem a few years ago with my old HTC EVO 3D which was also running cyanogenmod at this time. I tried flashing different roms and kernels but the problem was persistent. Because my battery was empty as yours is at the moment, I charged it by cutting a USB Cable and applying "+" and "-" to the battery directly. It looked really bad to be ...


1

dumpsys batterystats (or dumpsys batteryinfo pre-Lollipop) should give you the information you are looking for, broken down by process/package. The machine-readable format (--checkin flag) will show specific UIDs if you need them. You will probably need root to run that command in a terminal on your device, but it should also work from adb shell.


1

By looking at your screenshot I think you should wait a few days to see if your new device settles down a bit on battery usage. Why do I say that? Even though your battery is draining fast when your screen is off, there are not many wakelocks. Give your phone a little bit off time to settle down ( syncing data between all accounts etc.) and it should be ...


1

It is more likely here that your battery has lost its rated capacity. A new battery is recommended. Any kind of calibration wouldn't work on a degraded battery.The charging and discharging both should show jumps.If you can, you can try the battery in a friends Nexus, Also try a different charger for tests.


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Battery Check Visual Inspection If the battery of your phone is removable, simply take it out with caution (after turning the phone off, of course) and look for symptoms like bulging, corrosion near the metal terminals, and green or white-ish stains Spin test Your battery shouldn't spin like this Battery diagnostics Try entering the code *#*#4636#*#* ...



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