Battery Life

Discussion in 'Project Elite' started by Timberwolf, Jan 11, 2011.

  1. Timberwolf
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    Timberwolf Member

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    Just out of curiosity. What kernel, over/under clock speed, and how long does your battery last for arguments sake on an average day? I can't seem to get 12 hours out of mine. I have it run at 800 awake 450 screen off 250 battery under 20 percent. I haven't been able to find a good kernel yet, so I thought I would ask and see what you guys are using.
     
  2. natezire71
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    natezire71 Member

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    I'm using the stock Slayher 1.1Ghz kernel underclocked to 250-900Mhz. I don't use profiles, but on an average day for me, which consists of medium-heavy usage, I can get 13+ hours. That's on average out of seven consecutive days. I use this stock ROM, no themes.
     
  3. d1pham
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    d1pham New Member

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    P3Droid 125mhz-1.1ghz @ 900mhz on interactive. Phone has been on for 12 hours and im at 80%. Three screens, not many widgets and low data syncing items.

    Sent from my Droid using DroidForums App
     
  4. Timberwolf
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    Timberwolf Member

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    Damn. To think I jumped for joy when I was lucky enough to get 10ish hours. I only have to do some heavy work maybe once a week. Most is just gmail and texting.
     
  5. mxnut
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    mxnut Member

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    Is that the low or standard voltage?
     
  6. 1FZFE
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    1FZFE Member

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    I'm using slayher lfy1200 low voltage at 1.2 GHz on interactive with profiles set for screen off only and can easily make it from 7:30 am to midnight and still have 30% remaining. That is with mild browsing, some phone calls, emails and texts.

    Sent from my PEv4.1 Droid using DroidForums App
     
  7. natezire71
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    natezire71 Member

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    Geez, I use OnDemand and only get 12 or so with medium usage. How do you do it?
     
  8. resident psycho
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    resident psycho Member

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    I'm using slayer kernal, bumped up to 1100, on interactive. No profiles set, on a regular day of some texting, a couple calls, some web surfing and maybe a few app updates, unplugged at 7 am, by 11 pm plugged back in...40%! This rom is running the best battery life so far over any other rom!dancedroid
     
  9. white_ash143
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    white_ash143 Member

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    Using Sapphire 800 lv kernel and I get maybe 8 hours out of it.... but that's with me playing mario golf on emulator every chance i get.
     
  10. IRON_CATASTROPHE
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    IRON_CATASTROPHE Member

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    i use Sapphire 250-900 lv kernal and so far its been 15 hours and im at 30% battery. I too have been trying to get a longer lasting battery life on my phone. I use CPU Tuner but i only have a profile set for screen off and my governor is set to interactive
     
  11. BayouFlyFisher
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    BayouFlyFisher Rescue Squad Rescue Squad

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    My Droid has been rooted for over a year now. I've flash dozens and dozens of roms/kernel combinations. I've truly never seen much of difference in battery life as a function of rom/kernel. I saw more battery usage when I was constantly running at 1.25Ghz, but now I run around 800-900 mhz routinely. For me the following was the path to great battery life:

    Here's my tips (written to encompass several different phones):

    1. (Doesn’t apply to all phones) 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. 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. It will always be no less frequent than every five minutes. 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%

    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.
     
  12. chuckoneil
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    chuckoneil Member

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    Hey all, been rooted since augustish. Loving it. But I've been using UD for awhile since UD8 to the most current version. But had noticed the battery seemed to drain, or was very glitchy - like it'd be at 40% then id make a call and look at the indicator and it'd say 20% so, I switched to this rom. I'm really liking it, very fast on mine - stock kernel. But i've also noticed some battery drain even when the phones screen isn't on.

    example: charged to full: 6:45 a.m. take it off the plug - check weather widget for temp.
    8:40 - played pandora for 20 mins - 100% still.
    9-12: take phone out for several checks on the time or just some moderate texting (brightness on auto) - were at 90% now
    12-2 played music for 20 minutes and checked a little on facebook - 80%
    take it out again at 3 afterschool its at 70%.
    at 4:15 look at it one last time before track were at 60%.
    took it back out at 5:30 and it was at 15%....

    What gives?! do i need a new battery, what should i do?!
     
  13. BayouFlyFisher
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    BayouFlyFisher Rescue Squad Rescue Squad

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    12. Go to data>system>and delete batterystats.bin after you've charged your phone to 100%
     
  14. chuckoneil
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    chuckoneil Member

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    delete it when its a 100 off of charger? or keep it on the charger when its 100?
     
  15. mxnut
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    mxnut Member

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    From what I've seen posted before you charge to 100%, clear the battery stats and use the phone till it dies before you charge again.
     
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