The Eneloop is a ready to use rechargeable Ni-MH battery; it combines the benefits of standard disposable batteries (instant use and long shelf life) with the environmental benefi ts of rechargeable Ni-MH batteries. This is because, unlike other rechargeable batteries Eneloop batteries arrive with you ready charged, which mean they can be used immediately – perfect for our all action daily lives! The batteries charge up to 1000 times.