Thanks gw.. that is exactly the sale i was waiting for...
My Droid is about a year old or so too. Same thing my battery life has gotten really bad the last week. With 40% left on a shutdown I wake up to turn it on and it's dead until I plug it in.
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Here's my tips:
1. (Doesnít 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. 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 itís 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%. This will help with battery meter accuracy.
Baton Rouge, LA
Thank you so much for all the responses. I just read them all now. Tons of great tips.
Just so you guys know I tried almost all of those things and yes I have 3 new batteries so it is not the age of the battery.
I'll try getting an extended battery. I looked at the battery stats and everything seems to be in order. Nothing jumps out.
Bayou, I took your advice on your elaborate and extremely helpful post and turned my only widget that refreshes-weather and set the update interval from 15 min to 1 hour. I am sure that will help some.
I have a private email account and will try the Gmail trick you posted right now and let you know how that works.
Thanks again. I'll let everyone know how it goes.
I was having battery problems, not only getting 3 hours worth, but was still pretty short. I took BayouFlyFisher's advice and did everything he said and have had significant improvement. I feel like the turning GPS and Data off was the huge difference maker for me. It's been said several dozen times around here but Project Elite 4.x is by far the best power saving ROM I have flashed also. I could be taking a shot in the dark here but could overclocking (if you do) be a part of the problem? I turn my phone off when the temp hits or gets near 100 degrees, a friend of mine (not so tech savy/doesn't care a whole lot about electronics) keeps on going and doesn't really care, and gets no where near the battery life I do. Thats my two cents.
Hey guys, I was starting to suffer from bad battery life too. Had my D1 from day 1 and enjoy mods. I have a zillion apps loaded and int. mem. is way down but I wouldn't trade my D1 for anything. Will always keep it as it's clean without any enforced overhead like blur.
Anyway, I'm using Elite 4.2 and it's great, better than C-gen with D1. Had some issues with battery life, and did a complete system wipe (after Titanium backup) and reloaded Elite from scratch and built up my app catalog from Titanium one at a time discarding saved app info and starting everything from the beginning except for dat. I also loaded Watchdog. After a while, I'm getting alarms from Watchdog alerting me to apps that suddenly grab resources (like Pulse news reader) and it lets me kill the app process dead. My battery life is now a lot better, getting a whole day without a charge if I remember to kill wifi on the road and bluetooth while at home. Oh, I also keep my cpu to a max cycle of 800 which is the better part of discretion; and even though I can push it to 1000 it uses too much battery, but every cpu is different in the max limit (just watch temp).
Let me in on the discussion! For the best rom with best battery life, get liquid gingerbread! I have done significant tests after wiping battery stats, and I have 2 times as battery life EVEN WHEN IM OVERCLOCKED AT 800! Also, the battery doesn't heat up at all too! LGB made my phone 2x more faster and battery efficent with virtually no heat coming from my phone!
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Battery calibration done right! - http://www.droidforums.net/forum/droid-hacks/149317-tut-wipe-right-battery-stats-tut.html