Digital Concepts AC/DC Rapid Charger with 4 AA Rechargeable 1800 MAH NIMH Batteries Quick charges in as little as two hours Includes 4 Nickel Metal Hydride ( Ni-MH ) AA batteries; also charged AAA batteries 1800 mAh capacity Fully rechargeable 100% memory-free Quick charges in as little as two hours Includes 4 Nickel Metal Hydride ( Ni-MH ) AA batteries; also charged AAA batteries 1800 mAh capacity Fully rechargeable 100% memory-free