Hyperion HTC Inspire 4G 2x Battery + Travel Charger (Also Compatable with Surround, and Desire HD)
Includes 2x 1230mAh battery and 1 x Universal Dock Charger.Compatability:HTC Desire HDHTC Inspire 4GHTC SurroundFits original back cover.Battery Cell Type: Lithium-IonVoltage: 3.7VCapacity: 1230 mAhActual battery life will vary depending on your specific hardware and software configurations and network conditions.Built-in overcharge protectionCharger Input: AC100-240V worldwide use; 50/60Hz 0.15AOutput: DC 4.2V 350mA