Overview: Rechargeable Battery Capacity: 400m 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 2/3AAA size battery in all the devices. Package Included:3 x 400 m Ah rechargeable batteries Specification: Weight Approx:20.8g Size Approx:14 x 2.8 x 1