Baixt&reg;Brand 1800mah Extended High Capacity External Backup Rechargeable Business Battery for HTC A9191 / Desire Hd / G10 / HTC ACE / HTC 7 Surround (T7878) / HTC Inspire 4g Fits Bd26100 Blue High quality battery for HTC A9191 Desire HD G10 ACE HTC 7 Surround (T7878) HTC Inspire 4G BD26100; Type: Li - ion battery; Voltage: 3.7V; Capacity:1800mAh, more than 500 charge cycles; No Memory Effect,Enviromentally Friendly,Same Size as Your Original Battery; 1800mAh Capacity,Never Run Out of Power Again;US Stock,Fast Delovery by USPS; Made with Grade A Li-ion cells and highest quality raw materials,built-in protection circuit to assure safety under all circumstances. Ultra-Long Standby Time; Certified by CE / RoHS;