Originally Posted by TheSultan
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.
I have done that but it still collects emails as soon as I connect to wifi. This is driving me nuts!! I want to be able to click an icon and the phone picks up mail, at my request. HELP!