Genuine Makita BL1830B 18V LXT Lithium-Ion 3.0Ah Battery – 2 Pack – CLOSEOUT. Battery charge level indicator allows user to monitor battery charge. Reaches full charge in 30 minutes or less. Compatible only with star protection tools, indicated by the star symbol 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 controls to protect against overloading, over discharging and over heating.