... for HTC EVO 4G with door cover 3500mAh 3500mAh Extended Battery + Cover for HTC EVO 4G Features:1.Item: mobile phone battery pack2.Adapt model: For HTC ... charging, over-current and short-circuit protection, more safeguard for using, long standby time, long talking.7. Gilded ... available . About us: We produce mobile phone accessories for blackberry, HTC, etc. including mobile phone housing, flex cable, ...