Sealey CP1200BP Cordless Power Tool Battery 12V 1.5Ah Lithium-ion for CP1200 Series

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.
Has a flat discharge curve - performing better for longer.
No memory effect - these batteries can recover from a deep discharge with no tendency to reduce overall capacity.
Suitable for use with the CP1200 Series.