HTC EVO 4G Extended Battery and Battery Door - Black
The most indispensable accessory for your HTC EVO 4G is the battery. Unless you are in need of a paper weight, even the most advanced phone is useless without power. Now you can extend your talk time even further with the HTC EVO 4G Extended Battery and Battery Door. Keep your EVO 4G smartphone working at optimum performance levels at all times.