Linked by snydeq on Wed 2nd Nov 2011 22:50 UTC
Google InfoWorld's Serdar Yegulalp provides a look at the best apps for boosting the battery life of your Android device. "The best place to start if you just want to survey your power usage habits is Battery Indicator. To follow that up with actual power management, Green Power and JuiceDefender are your best bets. 2x Battery is not a bad program, but it's limited to managing cell data and not Wi-Fi connections. If that feature were added in a future revision, 2x Battery would be a real contender."
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3G/4G is the real enemy
by elsewhere on Thu 3rd Nov 2011 17:50 UTC
elsewhere
Member since:
2005-07-13

Make sure that wifi is set to remain active even when sleeping. This keeps your phone off of 3G for things like checking email etc. when your phone is at rest (ie. at home.)

If you do need to stretch the battery life throughout the day, disable 3G altogether. Makes a big difference, and edge is sufficient for background needs like email, weather updates etc. If you need bandwidth, re-enable it at will. Did this on my wife's old iPhone and it almost "doubled" the battery life (in as much as the phone was still usable the next day if she forgot to recharge it at night) with little impact on her usage. She's already complaining about battery life on her new Infuse 4G, so I'll probably do the same again.

Also do so if you're in an area with spotty or no 3G service. The radio transmitter will burn through battery juice trying to find and/or maintain a 3G signal even if there isn't one to find. I was up in the boonies on vacation this summer, and while there was cell service, 3G was spotty and my phone wasn't even lasting the day, despite not really being used. Disabling 3G fixed that nicely.

Basically, anything you can do to reduce 3G/4G usage will have a dramatic impact on battery life. On any platform.

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