I have an EVO 3G/4G. I am looking into buying an extended life battery for it. The problem that I think is going to arise is this: I have an OtterBox cover on my phone. I called BestBuy and asked if the OtterBox would still fit the phone. The lady said "It should still fit." The extended life battery comes with a cover to fit over the battery, so I am thinking this will make the phone thicker, making it too thick for the OtterBox to fit. Am I right or is the BestBuy employee right?