The one you should have And your DeWalt Power tool would be more than grateful. The perfect battery for your equipment. Fully compatible with the whole XR-Li-ion 18V Range. With increased life, overheat and overload protection, you will get any job done. The LED state indicator will let you know when exactly you will have to recharge and reload. Don’t forget to add a charger at check out, as this is a Battery Only set. DCB184 Features: The new DeWalt 5.0Ah XR Li-Ion battery packs will deliver 66% more runtime than a standard 3.0Ah battery pack LED State of Charge Indicator helps manage pack charging Lightweight design provides the user with upgraded 5.0Ah Power without increasing the size or weight over the 18v 3.0Ah battery pack Compatible with all DeWalt XR Lithium-Ion 18v Tools Protection against overheat, overload and deep discharge conditions increases battery life No memory effect DCB184 Specification: Battery Capacity: 5.0 Ah Battery Chemistry: Lithium-Ion Voltage: 18v Height: