Makita LXT 18V Lithium-Ion Battery 4.0Ah with Fuel Gauge BL1840B Two Pack

Features: Integrated LED battery charge level indicator allows user to monitor battery charge. Equipped with star protection computer controls to protect against overloading, over-discharging and over-heating. Battery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C). Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery. 16 contact terminals maintain a constant connection with the tool to help prevent power loss or fluctuation, even during high-vibration applications. Battery resists self-discharge and remains ready for use even after long periods of storage.