Experience the next level of cordless performance with the Makita BL4040F 40V XGT Cordless Li-ion Battery. This high-output battery delivers a remarkable 35% increase in power compared to the standard BL4040 4.0Ah model, ensuring exceptional efficiency for demanding applications. Engineered with tabless cell technology and an enhanced cooling system, the BL4040F runs cooler, maintaining peak performance even under heavy, continuous loads. Its digital communication technology ensures seamless interaction between the battery and your Makita XGT tools, optimizing performance for every task. Built for rugged environments, the WetGuard IPX4 water resistance protects against moisture, while the heavy-duty cell casing offers outstanding impact resistance. The 4-LED battery fuel gauge keeps you informed about power levels, and the optimal charging system ensures your battery is ready to go when you are. Features and Benefits • Battery level indicator • Cooling system for maximum battery life • Digital communication between tool and battery Specifications • Nominal Battery Voltage: 40v • Battery Capacity: 4.0 Ah • Energy Capacity: 144 Wh • Battery Chemistry: Li-ion • Average Charging Time: 45 min