1. Windows Central Question's Avatar
    Battery charges fully as normal yet the indicator stops at 80%. Unplugging and using the battery power the indicator stays at 80% for a long period of time until the battery gets below the 80% mark then the indicator functions as normal.

    Restarting the tablet the indicator boots to show 100% yet doesn't change until battery power gets to 80%.

    Any help on fixing this would be greatly appreciated.
    08-25-2016 07:14 PM
  2. Rohn59's Avatar
    One of my tablets does exactly the same thing. So far I haven't been able to find a fix. I might do a reinstall but I haven't had the time. I hate to have to reinstall just for this issue as everything else works fine.
    08-25-2016 07:33 PM
  3. RowdyRocket's Avatar
    I also have this issue and have tried everything I can think of, uninstalled and reinstalled everything in device manager relating to power and battery but no luck, I'm stumped. Not wanting to do a complete system reinstall only to have it happen again. Seems to be a windows issue but haven't found many people complaining about it. This is the first forum post I've found relating to it.
    08-25-2016 10:30 PM
  4. Chintan Gohel's Avatar
    Battery charges fully as normal yet the indicator stops at 80%. Unplugging and using the battery power the indicator stays at 80% for a long period of time until the battery gets below the 80% mark then the indicator functions as normal.

    Restarting the tablet the indicator boots to show 100% yet doesn't change until battery power gets to 80%.

    Any help on fixing this would be greatly appreciated.
    If you need additional help or have more questions or details to share, please join the site so you can reply in this thread. See this link for instructions on how to join Windows Central.

    One of my tablets does exactly the same thing. So far I haven't been able to find a fix. I might do a reinstall but I haven't had the time. I hate to have to reinstall just for this issue as everything else works fine.
    I also have this issue and have tried everything I can think of, uninstalled and reinstalled everything in device manager relating to power and battery but no luck, I'm stumped. Not wanting to do a complete system reinstall only to have it happen again. Seems to be a windows issue but haven't found many people complaining about it. This is the first forum post I've found relating to it.
    so all of you have tablets which don't show any battery percentages above 80%? Can you all share the tablet models and OS versions?
    08-26-2016 09:36 AM
  5. RowdyRocket's Avatar
    Mine is a Nextbook Flexx 11 with the latest version of Windows 10 (anniversary) battery shows exactly 80% at full charge just as the top post says. It's been doing it for several months even before the anniversary update.
    08-27-2016 01:34 PM
  6. Chintan Gohel's Avatar
    Mine is a Nextbook Flexx 11 with the latest version of Windows 10 (anniversary) battery shows exactly 80% at full charge just as the top post says. It's been doing it for several months even before the anniversary update.
    then it might be upon the manufacturer to send a firmware update or a driver update
    08-28-2016 01:35 PM
  7. RowdyRocket's Avatar
    Perhaps. It worked fine originally and I haven't found many others with the same issue. I've updated my drivers to the latest I could find. I'm out of ideas.
    Chintan Gohel likes this.
    09-01-2016 12:31 PM
  8. Chintan Gohel's Avatar
    Perhaps. It worked fine originally and I haven't found many others with the same issue. I've updated my drivers to the latest I could find. I'm out of ideas.
    How to generate a Battery Report in Windows 10 | Windows Central

    see what that has to say
    09-02-2016 07:56 AM
  9. RowdyRocket's Avatar
    Thanks Chintan! It did return some useful information.

    Installed batteries
    Information about each currently installed battery
    BATTERY 1
    NAME SR Real Battery
    MANUFACTURER Intel SR 1
    SERIAL NUMBER 123456789
    CHEMISTRY LION
    DESIGN CAPACITY 33,300 mWh
    FULL CHARGE CAPACITY 42,417 mWh
    CYCLE COUNT -

    Why would the design capacity be lower than the full charge capacity?

    The design capacity is 80% of the full charge which is the battery indicator reading at full charge.

    Also why would it read 100% after reboot?

    And then retain a 100% reading until it drops below 80%?

    For example I've been using it for two hours now and it still says 100%

    Thanks again for all your help!
    Chintan Gohel likes this.
    09-06-2016 11:55 AM
  10. RowdyRocket's Avatar
    Checked my actual hardware. My batteries are definitely 33,300 mWh (3.7v x 4500mAh x 2).

    Any clue why Full Charge Capacity would be set so high or how I can change it?

    Anyone else having this issue?
    09-09-2016 10:47 PM
  11. Chintan Gohel's Avatar
    It looks like the update messed up the actual value of the battery so it thinks the charge is reaching 80% only instead of 100%
    09-12-2016 03:33 AM
  12. RowdyRocket's Avatar
    Not sure if was the last update or what, it just started working again.

    Here's my battery report now...

    Installed batteries
    Information about each currently installed battery

    BATTERY 1
    NAME
    SR Real Battery
    MANUFACTURER
    Intel SR 1
    SERIAL NUMBER
    123456789
    CHEMISTRY
    LION
    DESIGN CAPACITY
    33,300 mWh

    FULL CHARGE CAPACITY
    33,481 mWh
    CYCLE COUNT
    106

    Thanks for all the help!
    Chintan Gohel likes this.
    09-18-2016 11:29 PM

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