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Thread: Liberty battery life in droid bionic

  1. Droid
    RSC450's Avatar
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    #1

    Liberty battery life in droid bionic

    Isn't the liberty rom supposed to extend the battery life of the Droid Bionic? I flashed the rom and my battery seems to be going fast than before, standard non extended battery. Any tweaks someone can fill me in on to get some more life out of the stock battery because I'm really liking the liberty rom but wish my battery would last longer.

    Sent from my DROID BIONIC using DroidForums
  2. Droid
    rjp0615's Avatar
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    #2
    Wipe battery stats. That should fix the issue.
  3. Droid
    RSC450's Avatar
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    #3
    Quote Originally Posted by rjp0615 View Post
    Wipe battery stats. That should fix the issue.
    Not to sound like a newb but I am new to this. How do I go about wiping the battery stats?
  4. Droid Newbie
    killiansnando's Avatar
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    #4
    you boot your phone into recovery mode and go to advanced then wipe battery stats
  5. Droid
    RSC450's Avatar
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    #5
    [QUOTE=killiansnando;1862448]you boot your phone into recovery mode and go to advanced then wipe battery stats[/QUOTE

    Hey thanks for the tip. I will give it a try and see if it works. Should I let the battery get low,wipe,then charge fully Or does it not matter, just wipe and I'm good to go.
  6. Droid Newbie
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    #6
    charge it full and unplug it then reboot into recovery wipe the stats and let it die all the way before u charge it again and make sure you charge it all the way. this should help.
  7. Droid
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    #7
    pardon the n00bocity, but im curious:

    back in the day there were huge warnings against charging devices before they were fully drained because the battery would create some sort of memory, and then not charge fully in the future. is this the same issue that gets addressed when you wipe battery stats, or is it a different thing altogether?
  8. Master Droid
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    #8
    What you are referring to is the battery memory issue that was prevalent in nickel cadmium and nickel metal hydride batterys. The issue thats being addressed with this procedure is kind of similar but its a software issue where the issue with NiCad and NiMH batteries was a physical hardware issue.

    What happens when a phone boots and charges to full for the first time, a file is created that tells the phone where the 100% mark is. This usually isn't an issue until you start flashing custom roms at different battery levels. Some custom roms replace the battery file, some dont and this can create issues. You can typically avoid the issue by always flashing when you're already at 100%.

    Personally, I calibrate the battery every time I flash a different rom using an app called "Battery Calibration" in the market. I just did it a few days after I flashed 2.0 and immediately noticed a difference in battery life and reporting.

    I've attached the screen shot I took this morning after being off the charger since 10AM yesterday morning. This is with 4G, bluetooth and GPS on because I was trying to burn through the battery. What makes it even more remarkable is that I spent about 5 hours yesterday from 10-3pm in a no signal area and let the radios search for a signal the whole time. Then I had to play HD video off of youtube for 20-30 minutes this morning just to burn through the last 25% off the battery before putting it back on the charger, so I could have a charged phone for work today. Liberty battery life in droid bionic-screenshot-1322662679073.png
  9. Droid
    RSC450's Avatar
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    #9
    Well I must be doing something wrong lol. I had to charge my phone 2 times today. I wiped stats after flashing Liberty 1.0 and I can't say my battery life has improved any but I love the ROM. I also have all my GPS etc..etc.. disabled and I do not run any Widgets except the Google search bar. Are you on. 886 or. 893? How do you like the new 2.0. I was thinking of flashing it but I am liking 1.0 besides the battery issue.
  10. Droid
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    #10
    thanks nate, you have been really really helpful. this battery calibration app looks super promising
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