LS Accessories BH39100 Battery for HTC Raider, HTC Vivid, HTC Velocity 4G, and HTC Holiday Battery is compatible with the HTC Raider, HTC Vivid, HTC Velocity 4G, and HTC Holiday 1500 mAh high quality Lithium Ion battery that charges to its full capacity for over 500 cycles Grade A battery with Dual IC protection to ensure safety; Battery Voltage: 3.7 Volts Battery Energy Content: 5.55 Watt Hours