New 5.0 Ah XR Li-Ion DEWALT battery with 66% longer run time than the standard 3.0 Ah battery. The LED charge indicator helps in managing the battery and selecting the optimal time for its recharging. The lightweight design gives the user an increased capacity to 5.0 Ah without increasing the size and weight compared to 3.0 Ah batteries. No memory effect and virtually no self-discharge - high operating efficiency and short downtime due to charging.For use with all existing 20 volt DEWALT XR power tools. Overheating and overload protection increases battery life. Battery compatible with all 20V DEWALT XR cordless tools.