My screen use is normally 30-40% on my Note 2. Its actually at 16% today because my daughter has been playing games in it this morning and must have been using the CPU lots. And for some reason Email is at 35%. That's not right
Data usage (not so much WiFi), browsing, etc. uses the battery really quickly. If I turn my data off and only switch it on occasionally I can get 3 days out of this phone. I don't bother most of the time and easily get a day of pretty heavy usage.
Hadn't thought about the browser being a battery hog. If I didn't like Chrome so much (it's not as smooth as the stock browser tho) I'd consider switching.
Chrome hits the battery pretty hard on my Nexus 7: ~20%/hr of surfing (this is the actual amount the battery indicator runs down).
Also updates will use quite a lot. So for example when it recently updated to Android 4.4.3 and a bunch of apps followed up over the next 3-4 days, running down the battery about double expected.
Leaving the wifi on overnight will use about ~5 -10% even when otherwise doing nothing.
I'm going to try the stock browser for a day and see if it makes any difference.
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