The Dewalt DCB182 4.0Ah 18V Li-Ion Battery offers extended runtime and optimised power to complete applications quickly. By constantly monitoring tool and battery operation the intelligent electronic module and switch maximise performance and prevent damage caused by overload or temperature build up. LED State of Charge Indicator helps manage battery pack charging, whilst the lightweight design provides upgraded 4Ah Power without increasing the size or weight over the 18V 3Ah battery pack. The battery design reduces fatigue and improves access with excellent electrical characteristics such as no memory effect and virtually no self-discharge for maximum productivity along with less downtime. The Dewalt DCB1104 XR Multi-Voltage Battery Charger has been designed to be used by any Dewalt 18V XR Battery as well as 12V XR Batteries. This also includes Dewalts POWERSTACK battery system. The charger can be wall mounted to aim with space management in workshops. The charger includes a charge indicator highlight the capacity of the battery when it reaches 80 and 100.