Overview: Rechargeable Battery Capacity: 1800m Ah Voltage: 12 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:10 x 1800 m Ah rechargeable batteries Specification: Weight Approx:162.2g Size Approx:26.5 x 4.9 x 1.4