Battery: Pack of 8 AA 2800mAh Ni-MH rechargeable batteries with battery storage cases EBL batteries can be recharged up to 1200 times when fully or partially drained Improved low self discharge makes it still maintain 80% of capacity after 3 year of non-use Batteries come pre-charged and can be used immediately out of the package. Recommended to use batteries after fully charged. Batteries are great for use in household devices such as digital cameras, toys, remote