This Sony NP-11 Rechargeable Battery Pack is a brand new unit that comes from Japan. It is designed to fit Sony cameras specifically for the BetaMax BMC-220 model. The battery pack has a capacity of 1000 mAh and is a rectangular shape. The unit type is a rechargable battery pack and it is made with NiMH chemical composition. It is an ideal replacement part for those who own Sony cameras and need a reliable battery pack. Box does show some wear and tear but unit is brand new estate sale find.