DeWalt DCB183-XJ 18V 2.0Ah Li-Ion XR Slide Pack Battery

Powerful and versatile slide pack battery uses innovative XR system technology to deliver extra run time and optimal power. It has no memory effect, meaning the battery doesn't have to be flat before you recharge, and self-discharge is minimal so it retains maximum power even after storage. The battery is compatible with all tools in the DeWalt 18V XR Li-ion range.