I recently got a Samsung epic 4G. I've had it for a week, but not something seems to be draining the battery. Yesterday, I had it halfway charged, but within not even an hour of using it, the battery died. Also, today I was using it while charging it, but the battery has only gone up 4% within an hour. I think the problem might be the cpu, because whenever I check the speed, it is alwas at max. I have installed ADWLauncher, Google Docs, Netflix, Advanced Task Killer Free, and Z-Device Test. I've tried setting everything to use as low power as possible. Yesterday before I noticed the low battery life, I had to do a hard reset due to the stock launcher crashing after I switched over to it. So is there a way to fix the low battery life without rooting or buying anything?