Overview:100% Brand New Rechargeable Battery Capacity: 2100m Ah Voltage: 1.2 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 AA size battery in all the devices. Package Included:4 x 2100 m Ah rechargeable batteries Specification: Weight Approx:105g Size Approx:5 x 5.8 x 1.4