Dopod HERM160 replacement battery provided by AtBatt.com is designed for use with Dopod 838 Pro, CHT 9000 / HTC Hermes, TyTN, Z / O2 Xda trion. The PDO-13 is designed to replace OEM part numbers: HERM160, HERM161, PA16A. Amstron PDA batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed oriinal equipment manufacturer specifications. • Chemistry: Li-Ion • Rating: 3.7V 1350mAh • Dimensions (LxWxH): 2.52 '' x 1.70 '' x 0.23 '' • Warranty: 1 Year