The 18V Makita 632F15-1 5.0ah Li-ion LXT battery is part of the expanded Lithium-ion battery range from Makita. The Makita BL1850B 5.0Ah 18v Li-ion battery provides 66% more run time than that of the 3.0Ah battery whilst maintaining the same size and weight so maintaining the excellent balance and comfort of a Makita tool in use.