As I wrote earlier this year, Android battery life can be atrocious. Most of the Android-powered phones I've tried end up dead overnight if they're not left on a charger, and Android tablets are just as bad.
I can understand phones having power issues, what with all their syncing and pinging and fetching. But tablets aren't phones; they should be able to last for days--maybe even a week--before needing an AC assist.
Witness my iPad: it consumes almost no power when it's not being used, so even if I don't touch it for a week, it'll have juice left when I pick it up--nearly as much as when I last put it down. But every Android tablet I've ever tested? Dead after a day--maybe two--whether I use it or not.
The culprit for this, it turns out, is a couple of "phone services" baked into the Android OS. They have no business on a tablet, but there they are, sapping the battery unnecessarily.… Read more