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I am wondering what the different percentages really refer to in the battery usage section. I total I see more than a 100%. So it is easy to presume that it doest mean a certain percent out of 100%.

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How far it's from 100%? For me it's 102% so I think @Erik might be right that it's just a rounding error. – Richard Borcsik May 7 '12 at 9:49

On my phone (ICS) the apps seem to use less than 100% in total. These must be rounding errors: if you had three apps each using a third of the total, that would be 33.3..% for each one. Android would round this to 33%, so the total would be 3*33%=99%.

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Thanks mate. That makes perfect sense. – Elysium May 7 '12 at 21:00

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