DEWALT DCB182-XJ 18V XR Lithium-Ion Battery, Black/Yellow, 4.0Ah

• Lightweight design provides the user with upgraded 4.0Ah Power without increasing the size or weight over the 18V 3.0Ah battery pack
• Inbuilt Protection against overheat, overload and deep discharge, increases battery life
• lifeNo memory effect and virtually no self-discharge for maximum productivity & less downtime
• Compatible with all DEWALT XR Li-Ion 18V Tools