The JCB Professional E-TECH 4.0Ah 18V Battery delivers extended runtime in a slimline, ultra-compact design. Only slightly larger than the 2.0Ah version, it offers double the amp-hour capacity and up to 50% longer runtime — providing the perfect balance between power and portability. Featuring next-generation lithium-ion technology with high-capacity cells, this battery ensures outstanding power density and efficient cooling for consistent performance during demanding applications. Intelligent digital communication between tool and battery optimises output, runtime and protection in real time. Built with a rugged, impact-resistant casing and advanced electronic protection systems, it’s engineered to withstand harsh jobsite environments. Fully compatible with the JCB 18V Cordless and Professional ranges.