Panasonic BK-3MCCA16BA Eneloop AA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries/ 16 Pack<br /><br /><br />&nbsp; &nbsp; Recharge up to 2100 times<br />&nbsp; &nbsp; Maintain up to 70% of their charge after 10 years (when not it use)<br />&nbsp; &nbs