Build your own Makita tool kit with the 18V Lithium-Ion Battery and Charger Starter Pack. Makita offers over 100 cordless tools and most are available as bare tools (tool only, no batteries or charger included). Pick up the Makita Battery and Charger Starter Pack, then purchase the 18V bare tools you need to get the job done. It's an ideal way to start building a Makita cordless tool line-up. Makita 18V Lithium-Ion batteries resist self-discharge so they’re ready for use even after long periods of storage. The Makita Rapid Optimum Charger is a smart-charging system that communicates with the battery during the charging process to monitor current, voltage and temperature. This advanced charging technology helps optimize battery life and deliver a faster charge. In addition, the Charger has a built-in fan to cool the battery for faster and more efficient charging, even in hot weather conditions. What's Included: 18V LXT® Lithium-Ion 4.0Ah Battery (BL1840B), 18V LXT® Lithium-Ion Rapid Optimum Charger (DC18RC)Integrated L.E.D. battery charge level indicator allows user to monitor battery chargeMakita 18V Lithium-Ion is the world’s largest cordless tool line-up powered by an 18V Lithium-Ion slide-style batteryProvides up to 35% more run time per charge compared to BL183018V LXT Lithium-Ion 4.0Ah battery reaches a full charge in 40 minutes or lessBattery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C)Equipped with Star Protection Computer Controls™ to protect against overloading, over-discharging and over-heatingImpact-resistant outer case and shock-absorbing inner-liner are engineered to protect the batterySixteen contact terminals maintain a constant connection with the tool to help prevent power loss or fluctuation, even during high-vibration applicationsBattery resists self-discharge and remains ready for use even after long periods of storageCompatible only with Star Protection tools, indicated by the Star Symbol™ and/or Yellow Battery Receiver under the tool