LS Accessories153; BD26100 Li-ion Batteries for HTC Inspire 4G (AT&T), HTC Desire HD (G10), and HTC Surround 7 (T8788) plus Universal Charger with USB Port Batteries (BD26100) compatible with HTC Inspire 4G (AT&T) and HTC Desire HD 2 X 1200 mAh high quality Lithium Ion batteries that charges to its full capacity for over 500 cycles Grade A batteries with Dual IC protection to ensure safety; Battery Voltage: 3.7 Volts Battery Energy Content: 4.44 Watt Hours Universal Charger with USB Port that can charge your battery and cell phone at the same time Charger Input: 100-240V, 50/60HZ, 0.1A; Output: DC 4.2V, 300mA; USB Output: 5.2V 500mA