I am convinced that the screen on the rezound is the biggest reason it gets terrible battery life.
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Of course the big screen kills the battery...
That being said, I think plenty of people have bum batteries. On Friday, I spent all day listening to music, and probably 2-3 hours playing actively with the phone, and I made it from 630AM to about 9PM before I got a low-battery warning. Yesterday, I went from 800AM to Midnight, and when I put the phone back on the charger, I still had 50% battery. Also, I dont use 4G at all.
40% battery in 3 hours isnt normal, unless you're on 4G, and actively using the phone.
I'm using my Rezound about the same as I used my Droid2. At the end of the day (charge overnight, every night) I have more battery left on the Rezound than I ever had on the Droid2. Using the Circle Battery widget, my Droid2 was consistently below 40%, and many times I would get the low battery warning at 15% in the evening. The Rezound has been consistently 60% to 40% at night when I'm ready to put it on the charger. I haven't done anything to the factory settings except I used the screen brightness widget to set it at 2/3rds rather than full. On both the Droid2 and the Rezound, the screen is the item that sucks the most power by far (unless using GPS). So it doesn't surprise me that the screen power usage is at the top of the list. It does surprise me how long the battery lasts after reading all the whining about battery life.
Changing the power profile from the default Performance to Normal will literally double the battery life...
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Originally Posted by jntowers
Do yourself a favor, if your using live wallpapers stop.they significantly kill batt. I also found using dark wallpapers i use ones with mainly black backdrops, seems to help also.
Here is what I have noticed. If I leave my 4G on I can get about 11 hours out of it. Less if I am using it pretty hard. If I turn off the 4G and just use 3G I can get almost 20 hours!!! My usage screen shows alot of screen usage but really the LTE signal is the main killer
Install LTE switch go to cdma auto setting and see how much battery you get. If you need the speed, turn it back on. It is amazing