This BL4050 40V Max 5.0Ah XGT Li-ion Battery is ideal to complement the range of Makita products, being compatible with devices in the Makita XGT 40V Max system. Equipped with a 4 LED battery fuel gauge with a check button, a 50-minute charge fast charge when used with the DC40RA Fast Charger (not included), and a cooling system for maximum battery life.Features digital communication between the battery and the charger and is built to withstand harsh environmental conditions, such as water and dust, thanks to its robust construction and splash-resistant design, this battery is ideal for all professional tradespersons such as builders, electricians, and plumbers. The Makita 191N14-5 240V Two Port Charger can charge two separate Makita XGT Li-Ion batteries at the same time. It has a handy charging status indicator light for maximum visibility, and offers a selectable melody sound for full charge notification. It includes two cooling fans, one for the charging circuit and one for the battery. It delivers optimum charging control by utilising feedback of real-time battery data, and can be wall mounted. The charger can perform consecutive fast charging of batteries, and features an electronic current limiter for overload protection.