DeWalt DCB182-XJ 18V 4.0Ah Li-Ion XR battery provides an efficient, lightweight power source for use across the entire DeWalt 18V XR tool range and with DeWalt universal XR charger. The battery delivers 33% improved run time and optimised power when compared to the earlier 3.0Ah model, whilst maintaining the same weight at just 0.61kg for enhanced portability. The integrated fuel gauge displays remaining charge levels, enabling flexible job planning and helping to avoid unexpected downtime on site. With virtually no self-discharge and no memory effect, the battery retains maximum energy between uses and charges efficiently whenever needed. 33% Improved Run Time & Optimised Power Fuel Gauge for Maximum Flexibility Same Weight as 3.0Ah No Memory Effect Virtually No Self-Discharge Compatible With All 18V XR Tools 33% Improved Run Time & Optimised Power Fuel Gauge for Maximum Flexibility Same Weight as 3.0Ah No Memory Effect Virtually No Self-Discharge Compatible With All 18V XR Tools