1. AC Question's Avatar
    After its fully charged the battery will drain to 90 percent without me even using it.
    11-25-2015 07:36 PM
  2. belodion's Avatar
    Welcome.

    If it does that with the device powered off, something is wrong, perhaps with the battery.
    If it does it with the device powered on, what do your battery usage stats indicate after such a discharge?

    Posted via the Android Central App
    11-25-2015 08:38 PM
  3. ALSLZ0159's Avatar
    Welcome.

    If it does that with the device powered off, something is wrong, perhaps with the battery.
    If it does it with the device powered on, what do your battery usage stats indicate after such a discharge?

    Posted via the Android Central App
    Its with the device powered on. Its drop 10% after about 2 hrs.

    When the device is on my battery stats say:

    At the top right: Learning usage pattern

    Android System 4 %
    Android OS 3%
    Screen 1%
    Cell Stan By 1%
    11-25-2015 09:22 PM
  4. Rukbat's Avatar
    1. When you charge the phone, let it get to 100% (or "fully charged", then wait another 30 minutes before disconnecting the charger. Due to the way we have to measure the charge on the battery (something that analyzed the chemical charge state would cost more than the phone), the phone reaches "100%" before the battery is fully charged.

    2. Run Settings/General/Battery and see what's using most of the power during that first 2 hours. Tap the graph tpo gt to the second page, look at the bottom at the "Mobile" line. If you see any colors but green or white, it means you have a weak signal (And should be using a carrier that has better coverage there) and that's costing you battery.

    (And 9% use by those apps wouldn't account for it unless something else was drawing a lot of current, or the battery had lost a lot of capacity.)

    If none of the above, if it's a new phone it could be a defective battery. If it's a few months old, and you regularly run the battery down to 10% or so, you could have a battery that's pretty well gone. Lithium batteries don't take well to deep discharge - charge when it drops to 50%-40%. (Carry a power bank if you need more power capacity - and don't let it get below 40% either.)
    Laura Knotek likes this.
    11-25-2015 10:54 PM

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