The stock battery on the HTC EVO 4G leaves much to be desired, and many of us with an EVO 4G can't go a whole day on one charge. The Seidio Innocell 3500mAh extended life battery just might be the solution. Checking in at a massive 3500mAh (more than double the capacity of the stock battery), this extended life battery by Seidio met and exceeded my expectations right from the get-go, which is...
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