1. Android Central Question's Avatar
    After installing the last update for Samsung s7 edge, it takes my phone 8 hours at least to charge
    07-01-2018 01:52 PM
  2. Rukbat's Avatar
    Check the battery statistics (Settings/Battery). Tap the top part where the percentage is to get to the next page. Check the Phone Idle. If that's high, you have a weak phone signal so the phone is running higher power (if it's weak coming in, the tower must be far away or blocked by something, so it will need more power going out), so the battery will take longer to charge.

    Then charge the battery to 80%. Use it until it drops to 40%. Charge it to 80% again. How long?

    If you regularly drain it all the way down and charge it all the way up, a year is good. If you always charge it to 80% and start charging when it drops to 40%, it ill last a lot longer. Years longer. (We want thin phones, We want light phones. With that you don't get batteries that can be discharged to 0. Deep-cycle lead acid batteries can, but do you want your phone running off a car battery?) So if you regularly use the battery from 100% to something under 30%, it's probably time for a new battery.
    07-01-2018 03:51 PM
  3. pontiac005's Avatar
    Maybe fast charging got turned off?
    07-02-2018 08:38 PM
  4. pontiac005's Avatar
    Check the battery statistics (Settings/Battery). Tap the top part where the percentage is to get to the next page. Check the Phone Idle. If that's high, you have a weak phone signal so the phone is running higher power (if it's weak coming in, the tower must be far away or blocked by something, so it will need more power going out), so the battery will take longer to charge.

    Then charge the battery to 80%. Use it until it drops to 40%. Charge it to 80% again. How long?

    If you regularly drain it all the way down and charge it all the way up, a year is good. If you always charge it to 80% and start charging when it drops to 40%, it ill last a lot longer. Years longer. (We want thin phones, We want light phones. With that you don't get batteries that can be discharged to 0. Deep-cycle lead acid batteries can, but do you want your phone running off a car battery?) So if you regularly use the battery from 100% to something under 30%, it's probably time for a new battery.
    I run it almost all the way down and charge all the way up daily since the phone came out. Very little degrade in battery. Since the Oreo update, getting around 14 hours and a little over 4 hours screen time using it for reading and watching videos Noticably better than Android 7.
    07-02-2018 08:42 PM

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