【For Makita 18V Battery】This cordless portable power washer is suitable for Makita 18V lithium-ion batteries, including BL1830 BL1840 BL1850 BL1860 BL1840B BL1850B BL1860B. 【Cordless Design, Easy to Carry】The cordless pressure washer / small pressure washer gets rid of the cord and can be used freely outdoors.