Panasonic BK-3MCCE/4BA Eneloop AA 4PackPanasonics Eneloop batteries are pre-charged using solar power, so they are ready to use as soon as you take them out of the packet. Even after 10 years storage, Eneloop batteries still hold up to 70% charge, so you can be certain that they will always be ready for action. Although Eneloop batteries cost a little more than conventional dry-cells, their long-term financial benefits far outweigh the initial outlay. Given that eneloop batteries can be recharge up to 2100 times.
