I sent this question recently the the DroidMedic Blog:
“I recently updated some of my apps on my HTC Hero. I also downloaded Angry Birds. Ever since I have noticed I lose battery life much faster. How can I determine which app is to blame? Should I use an app killer? I have heard mixed things.”
I promptly received this answer:
App killers are kind of a joke. You can get the same functionality out of the “running services” section of your applications menu (settings / applications / running services). This will display all of the services running in the background. Find the ones that you aren’t using and kill them. Keep in mind that some applications run stagnant in the background and don’t really take up temporary memory or battery power. The best way to tell is by looking at their memory usage for each application. It’s pretty safe to say that the more memory it is using, the more battery power its eating up. Anything that auto-refreshes like twitter or chat clients are a huge drain.
I followed the Droid Medic’s advice and discovered the culprits:
I fixed the refresh settings in Twitter and Facebook and have noticed a remarkable return to normal batter power.
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Do you have any tips to get the most out of your smartphone?