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Thread: Optimal battery life settings?

  1. Metalshadow626's Avatar
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    Jul 2011
    Droid 2 Global

    Optimal battery life settings?

    Hey guys, just re-flashed back to CM7, since the gingerbread leak was acting stupid for me after awhile and man am I glad. Just wondering though, what's the best settings for battery life? I tried restricting the voltages but that doesn't seem to help at all.
  3. Master Droid
    Jonas's Avatar
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    Sep 2011
    Mooresville, NC
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    is broken... Again
    300 min, 1200 max, with ondemand as your performance scaling.
  4. Droid Sensei
    BayouFlyFisher's Avatar
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    Dec 2009
    Baton Rouge, LA
    86 times
    Galaxy Note 2
    Here's my tips (Individual items may not apply your phone):

    1. Go to settings/wireless & networks/mobile networks/Enable always-on data. Uncheck always on data. Your phone will still receive email, text, & phone calls as before as well as internet usage but your battery will last a lot longer.

    2. Emails: I don't know what email app you use, but try this. It saves battery power and in some cases emails arrive quicker. This scheme will have you using only the Gmail app on the phone for all email accounts whether they are pop3 accounts or Gmail. Go to the Google Gmail inbox on your computer and log into the Gmail account. On the top right of the screen is an option called Settings. In there is an option to have the Gmail program poll your regular, non-Gmail accounts (From the inbox; Settings/Accounts & Import/ Check mail using POP3). Provide the email address and the password. The Google Gmail program will then poll your other accounts on a frequency from 1-5 minutes and push the email immediately to your phone. The polling frequency is determined by each account's activity - more emails = faster polling. This saves battery power because on the android OS pop3 accounts are polled at a frequency of 1-30 minutes and that really eats battery. Because the phone goes and checks those accounts for mail whether there is mail there or not.

    3. If you are using Live Wall Papers, stop!

    4. Use wifi any time it is available. It uses a lot less power than 3G and it is much faster.

    5. If there are widgets that automatically update (facebook, weather, etc.) change their update frequency in their settings menu. Set them to 30mins or 1 hour.

    6. Oh, almost forgot, get the extended battery from Verizon.

    7. Turn off the GPS unless you are actually using it. There are some background apps that can burn a lot of power via a live gps.

    8. The Power Control Widget is a good tool for easily turning on and off some of these features (gps, wifi, screen brightness, etc.).

    9. From the home screen do the following: menu/settings/About Phone/Battery Use. This graph will show the 10 biggest power users on the phone. It should always be Screen as the top user and the android os, android system, phone standby and phone idle should be the other top users. If there is an app listed you should determine if it’s an app you actually use a lot or do you have a rogue app that needs to be uninstalled.

    10. Get Screebl. It will turn your phone off anytime you are not actively using it.

    11. If you have either a task killer or an anti-virus app installed, you should uninstall.

    12. Go to data>system>and delete batterystats.bin after you've charged your phone to 100%. You should let your battery deplete completely, then charge it up to 100% again. This will recalibrate your battery for your current setup. It’s a good practice to do this with any new ROM install. If this doesn’t work for you, then it may be time for a new battery. This will help with battery meter accuracy.

    13. D2G - go in to settings, wireless and networks, mobile network and change the network type from global to CDMA only. The d2g is locked out from using the local GSM networks in the US. You don't need global radio turned on in the US just overseas. Go into Settings > Wireless & Networks > Mobile Networks > Network Mode > and turn off the default setting of Global and turn on CDMA. This assumes you are in the US.
    14. If you have ad blocker, turn it off.
    15. If you are using Launcher Pro, try switching to ADW or Zeam for a while.
    16. Reboot you phone every day or two.
    Baton Rouge, LA
  5. Developer
    13th angel's Avatar
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    Jan 2011
    Auburn, Alabama
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    DroidForums.net Developer
    Very nice list.

    One thing to change on #13. In CM we dont have the radio control so you have to do it via the programming menu. On the dialer type *#*#4636#*#* > phone information > Set preferred network type: change to CDMA auto (PRL)

    I would change #5 to "Get rid of widget that update automatically. Add a shortcut to the app instead". It takes just as long for the app to open as it does for it to update.

    Other tips:
    use SetCPU (theres a free version for registered XDA members posted over there somewhere). Progressively underclock using profiles
    my profiles:
    temp > 50C 300-300 priority 100 (always have a temp profile as your highest) (50C is the high end of safe, I would honestly suggest a little lower)
    Screen Off 300-600
    Charging 300-1350
    battery < 40% 300-800
    battery < 80% 300-1000

    Undervolt even if it just the highest slot (easy to do via Milestone Overclock). It doesnt help much but it does help.

    Turn off wifi any time it is not connected

    Turn down your screen brightness as far as you can stand it and add a toggle to turn it up higher so you can see outside in the sun (mines set lowest/highest)

    Turn the screen off rather than letting it time out on its own

    Thats all I do. I can easily get 24+ hrs of battery life with the stock battery (seesmic and facebook syncing in 30 minute intervals, gmail set to push)
    CM9 builds for D2G, D2, and DX
  6. Metalshadow626's Avatar
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    Jul 2011
    Droid 2 Global
    Thank you all for the replies. They worked very well.
  7. Droid Ninja
    kptphalkon's Avatar
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    Dec 2010
    14 times
    Droid 2 Global
    Old thread but still...

    Flash the smartass governer (I used droid overclock by jrummy... but you don't have to)
    Use quickclock to undervolt the cpu.
    Use setcpu for profiles if you want.

    I'm on the froyo based cm7, which has horrible battery life when idle, and doing this really saved my battery.


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