Dopod PU16A battery by Amstron is designed for use with SPV-C500, SPV-C500S, 900, PU10, JASJAR, XDA Exec, SPV M5000, MDA Pro. The Amstron PDO-11 is designed to replace OEM battery part number PU16A. Amstron PDA batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. • Chemistry: Li-Poly • Ratings: 3.7V 1620mAh • Dimensions (LxWxH): 2.80'' x 2.23'' x 0.18'' • Warranty: 1 Year * Warranty covers any manufacture defect. Warranty does not cover damages due to misuse of the battery nor diminishing run time due to normal wear and tear.