The Sanyo SEC-TDR02N Battery Charger and 2 AA Batteries is a NiMH battery charger and 2 eneloop 2000mAh rechargeable AA batteries. The charger accepts AC 110-220V and features a folding straight US plug for a compact design, making it perfect for international travel. Included are 2 NiMH eneloop 1500 2000mAh batteries. The batteries charge in about 5 hours and are rechargeable for up to 1500 cycles. They are ready to use out of the packaging, retain their charge for up to 3 years on a single charge, and have no memory effect.