DEWALT XR 5.0Ah Li-Ion Battery technology offers extended runtime and optimised power to complete applications quickly. The XR Lithium-Ion technology offers no memory effect and virtually no self discharge for maximum productivity and less downtime. The batteries are fully compatible with all DEWALT XR 18V tools which allows you to interchange your battery across the 18V platform. The lightweight design and compactness of the battery makes using the battery with your tools easier and more convenient. The battery includes a state of charge LED indicator which helps to manage your charging needs, ensuring you are able to get maximum potential out of your batteries.- 5.0Ah Li-Ion battery technology offers extended runtime- IP54 certified for water and dust resistance- No memory effect and virtually no self-discharge for maximum productivity and less downtime- Compatible with all DEWALT 18V XR Li-Ion tools