EC TECHNOLOGY&reg; High Quality 2 x 1700mAh Li-ion Battery For HTC EVO 4G, HTC Snap, HTC Touch Pro2, EVO Shift 4G, T7373 A9292, HTC Tilt 2, HTC Dash 3G, HTC Imagio XV6975 And 1 x Travel Charger Type: Li - ion battery; Voltage: 3.7V. Capacity: 1700mAh, more than 500 charge cycles. Compatible with HTC EVO 4G, HTC Snap, HTC Touch Pro2, T7373/A9292, HTC Tilt 2, HTC Dash 3G, HTC Imagio xv6975, HTC Droid Incredible, HTC S521 /S520 /S523 /S522 /S510/ S511. Package:2xbatteries & 1xcharger Charger: output: 4.2V/600mA, USB output 5V/600mA, multi-purpose, multi-connector.