Overview: Rechargeable Battery Capacity: 800m Ah Voltage: 3.6 V Chemistry: Ni-MH (Nickel Metal Hydride) Rechargeable Times: Up to 1100 Times Memory effect: No Cadmium: Free Can be rapidly charged with any plug in charger, Exact replacement for standard AAA size battery in all the devices. Package Included:3 x 800 m Ah rechargeable batteries Specification: Weight Approx:27.7g Size Approx:9.5 x 4.3 x 1