Overview:100% Brand New Rechargeable Battery Capacity: 2500 m Ah Voltage: 1.2 VChemistry: 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 2500m Ah rechargeable AA batteries Specification: Product Weight Approx:114.5g Product Size Approx:48 x 14 x 5.6