Pack of 8 Pre-Charged (Ready to use) AA 1900mAh Ni-MH Eneloop Rechargeable Batteries. Charge up to an impressive 2,100 times, with a 70% self-discharge after 10 years. All Eneloop batteries are pre-loaded with environmentally friendly solar energy and ready for use immediately after purchase. The AA Batteries from the Standard Eneloop range have a low self-discharge, perfectly designed for multi-use items such as digital cameras, torches, games & toys.