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iI think I will see how long the stock battery last me. I barely get a full day out of my tour so I will have to see how it goes. Another teacher that I work with has an incredible and says they can make it a full day no problem and I know how hard she uses it too.

When it gets to 50%, throw it on the charger.
Isn't it bad to charge like that? I hear that if its not on low battery and you charge, you're going to kill the battery faster. The battery's capacity is going to dwindle
Hands on reviewers have reported 4-6 hours of time, not talk time, but usage time. Admittedly, that was heavy use. Also, Sprint has advised that 4g use in a 3g area sucks down juice much worse than 4g in 4g or 3g in 3g.
Hopefully longer than my pre, I can literally watch the battery die. ........then again it is running at 800mhz![]()
engadget said:We know what you're thinking, though: what about battery life? Amazingly, we got some three hours and 13 minutes of run time while using the EVO continuously as a 4G hotspot -- and when we say "continuously," we mean we were streaming high-quality audio the entire time. What's more, the phone wasn't even fresh off the charger when we started; it had been on and in heavy use for two hours and four minutes prior. Bottom line, this thing seems to be a champion on a 1500mAh battery; we can't even begin to fathom what a massive aftermarket pack would do to it.
This review doesnt think battery life is so great:
Sprint 4G Phone Hits New Speeds, but Battery Disappoints - WSJ.com
The reviewer from Engadget does not know anything about smartphones and it clearly showed in the review. They provided very little useful information and they called that a review. Even Sprint is admitting to turn off 4G to save battery life.The Engadget review posted tonight disagrees.
The reviewer from Engadget does not know anything about smartphones and it clearly showed in the review. They provided very little useful information and they called that a review. Even Sprint is admitting to turn off 4G to save battery life.