Cameron Sino 2800mAh Battery for HTC Touch Pro 2, T-Mobile, Touch Pro 2, MDA Vario V, Wing II, with Extended Cover 100% Brand New High Quality non-OEM Li-Ion Enhanced Capacity Battery. Manufactured by Cameron Sino which means Quality! One-Year manufacturer's warranty! Comes with extended battery compartment door for device. Latest Lithium Ion battery technology gives the best performance possible compared to other battery technologies. Amperage: 2800mAh; Voltage: 3.7v