Overview: Rechargeable Battery Capacity: 900m 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:2 x 900 m Ah rechargeable batteries Specification: Weight Approx:37g Size Approx:5.3 x 3.1 x 1.1