Panasonic K-KJ17MC124A eneloop Super Power Pack 12AA, 4AAA, 2 C Adapters, 2 D Adapters, &ldquo;Advanced&rdquo; Individual Battery Charger and Plastic Storage Case Recharge up to 2100 times Maintain up to 70% of their charge after 10 years (when not it use) 2000mAh type, 1900mAh min, Ni-MH pre-charged rechargeable battery 4 position charger with worldwide voltage (110 - 240V) Charges from 1 to 4 AA or AAA batteries in any combination