... )High capacity:3500mAh Extended battery for HTC EVO 4G with door cover 3500mAh 3500mAh Extended Battery + Cover for HTC EVO 4G Features: ... : We produce mobile phone accessories for blackberry, HTC, etc. including mobile phone housing, flex cable, charger, batteries, headset, phone case, ... etc. We offer many different chargers, (car-charger, 3 in 1 charger), should there be any problems, just let us ...