Overview: Rechargeable Battery Capacity: 650m 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, Package Included:3 x 650 m Ah rechargeable batteries Specification: Weight Approx:29.9g Size Approx:5 x 3.2 x 1.1