1. xytaxia's Avatar
    I've got a 5.5 inch phone and a 3000 mah battery and it used to last me the day easily with no problems. But recently I've seen a decrease in overall battery life and sometimes the battery likes to drop at a rate of about 10% every minute which is ridiculous it used to just happen at about 15 or 20% but now it is happening at higher percentages. Thus seems to only when I'm using the screen so makes the phone useless for anything other than being at home. Also the battery level jumps around a lot when I turn the phone on and off. Sometimes up and sometimes down. Here's a screenshot of battery usage. This sometimes happens the opposite way while charging. It will charge really slowly according to the battery indicator and then suddenly shoot up really quickly.

    Posted via the Android Central App
    Attached Thumbnails battery drains ridiculously fast at certain points KitKat 4.4.4-screenshot_2015-10-27-23-39-40.jpg  
    10-27-2015 06:49 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which brand and model of phone do you have? The sudden dropoff in the battery graph suggests a defective battery (it might be something called a dendrite that formed inside the battery). If the battery is removable, try a new one.
    xytaxia likes this.
    10-28-2015 02:58 AM
  3. xytaxia's Avatar
    I've got an ecoo eo4 3gb so it might be hard to track down a new battery but i'll have a look. Thanks for the responce. Also how can I stop a dendrite forming again?

    Posted via the Android Central App
    10-28-2015 05:35 AM
  4. B. Diddy's Avatar
    This article mentions that cycling at a fast rate might increase the risk: Roots of the Lithium Battery Problem: Berkeley Lab Researchers Find Dendrites Start Below the Surface | Berkeley Lab. However, I don't know if that implicates quick charging, or if it means intense use and battery drain followed quickly by charging, repeated multiple times in a row.
    10-28-2015 10:59 AM
  5. xytaxia's Avatar
    Alright so I should just be a bit more conservative? I found a battery and its only £6 so I should be OK. Thanks for the help

    Posted via the Android Central App
    B. Diddy likes this.
    10-28-2015 07:19 PM
  6. Mignion's Avatar
    Same things happend to my Ecoo after some updates...

    Posted via the Android Central App
    12-17-2015 02:05 AM

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