Camelion Always Ready NH-AA2100ARBP2 Ni-MH rechargeable digital camera battery. Application: digital camera, wireless mouse, toys, shaver etc. These rechargeable ready to use batteries can hold charge up to 1 year (85%. 90% for 6 months). Size: AA, voltage: 1.2V, chemistry: Ni-MH Nickel-Metal Hydride, capacity (mAh): 2100.