The Sealey CP1200BP Lithium-ion Battery for use with The Sealey CP1200 Series The Sealey CP1200BP Cordless Lithium-ion Power Tool Battery is suitable for use with the CP1200 Series. The CP1200BP maintains a higher energy density level (generally twice that of a Ni-Cd cell) giving more battery power per gram. Features: Has a flat discharge curve - performing better for longer Li-ion batteries give an all-round better performance than standard Ni-Cd/Ni-MH cells Maintains a higher energy density level (generally twice that of a Ni-Cd cell) giving more battery power per gram No memory effect - these batteries can recover from a deep discharge with no tendency to reduce overall capacity Specification:  Model No: CP1200BP  Battery Type: 12V 1.5Ah Li-ion