Makita ADBL1840B Outdoor Adventure 18V LXT Lithium-Ion 4.0Ah Battery. INCLUDES. (1) Outdoor AdventureT 18V LXT® Lithium-Ion 4.0Ah Battery (ADBL1840B) FEATURES. Integrated L. Battery charge level indicator allows user to monitor battery charge. Provides up to 35% more run time per charge compared to BL1830. Reaches full charge in 40 minutes or less. Compatible only with Star Protection tools, indicated by the Star SymbolT and/or Yellow Battery Receiver under the tool. Battery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C). Equipped with Star Protection Computer ControlsT to protect against overloading, over-discharging and over-heating. Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery. Sixteen 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. Why Shop With Us? WORLD CLASS CUSTOMER SERVICE. Our support agents are here to assist you, Monday through Friday. Photo evidence of damages may be required.