These quality rechargeable eneloop batteries are ready to use out of the packet (pre-charged) and could save you money. They can be charged up to 2,100 times, which saves on having to buy 2,100 single-use batteries, and retain up to 70% of their capacity after 5 years. Suitable for use in a wide range of devices, from digital cameras to MP3 players and remote controls, you get Japanese technology at 7dayshop.com prices. Panasonic eneloop batteries were previously known as Sanyo eneloop. Panasonic bought the battery business from Sanyo and in future all eneloop batteries will be sold as Panasonic eneloop. SpecificationsMinimum Capacity: 1900mAh Voltage: 1.2 VLife Cycles: Up to 2,100 cycles Self-Discharge: Approx. 70% capacity after 5 yearsWhat's in the Pack? Panasonic Eneloop AA Battery 4 Pack