HTC Evo 3D Extended Battery and Battery Door - Black
The most indispensable accessory for your HTC Evo 3D 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 3D Extended Battery and Battery Door. Keep your HTC Evo 3D smartphone working at optimum performance levels at all times.