Make sure this fitsby entering your model number. Extended Run Time; Powers 18V LXT and 18V Compact Tools Provides up to 50% more run time per charge compared to the 18V 1.5Ah battery (BL1815) Reaches a full charge in 25 minutes or less on the Makita Rapid Optimum Charger (sold separately) Compatible with all Makita 18V LXT and 18V Compact cordless tools Battery delivers consistent power and run time in extreme temperatures, even in winter (-4DegreeF/-20DegreeC)