High quality 4/3 AF size 1.2 V, 3800 mAh rechargeable Nickel Metal Hydride (Ni-MH) battery High capacity (3800 mAh) and high discharge rate (9C-12C) for super performance Make your own battery pack in any combination of shape and voltage with easy soldering Ideally suitable for making mini battery pack for remote controlled (RC) aircraft. Ultra high capacity, 40% more running time than Ni-Cd battery. Very long cycle life and Rapid battery charge up Ideal for building battery pack for laptop, portable DVD etc. Battery tested based on International Electronic Commission (IEC) standard to ensure capacity, quality and life time. 6 months warranty. Technical Specifications DimensionHeight 65 mm, Diameter 18 mm Weight2.2 Oz. or 62.4g Capacity3800 mAh Voltage1.2V Charge4 hours @ 1000 mA