Panasonic Eneloop Pro AA Batteries Plus Charger

These eneloop rechargeable aa ni-mh batteries (4-pack) from panasonic come with a charger. each battery has a capacity of 2550mah and is factory-charged using solar energy, so ready-to-use right out of the box. the batteries hold 70% of their charge for up to 10 years, and can be recharged up to 2100 times.