Never that much disconnect 8am and have batery at 10 % at 11pm the only way to get 1 day or more in the active frame is with very low usage. On heavy or very heavy usage (emails, bbm, otg use, wifi, bluetooth, docs to go)I get about 8 or 5 hours. I expect more for this kind of battery but if it last until I get out of my office and go to sleep, is done for me.
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