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If you rarely get email how would it kill your battery? Even regularly receiving a lot of email push doesn't kill my battery. Remember, coincidental != causal.Hey, I rarely get emails and this push email is killing my battery
Agreed, that's not your battery problem, but, you still deserve to know you answer. Settings> Accounts & Sync> turn off the sync for your gmail. Once it's off, you can open your gmail app and hit refresh, and it will "manually" go get your mail for you.