DeWalt DCB182-XJ 18V 4.0Ah Li-Ion XR Battery

An efficient and lightweight energy source that is compatible with all DeWalt 18V XR range power tools, as well as the DeWalt universal XR charger. 33% improved run time and optimised power compared to the DeWalt 18V XR 3.0Ah battery. Fuel gauge to efficiently monitor the level of charge remaining in the battery. Almost no self-discharge which allows for maximum energy.