About this item 【Attention】1.Adapter Can NOT fit into any chargers when adapter with battery. If you need to charge your battery, please use the original brand battery chargers; 2. For a long time don't use, please separate from the battery, use dry batteries, not wet. safe to use. 【Adapter Function】18V battery adapter can compatible with Makita 18V Li-ion slide batteries to make them apply to Snap-on 18V lithium cordless tools. Replacement for Snap On 18V Lithium-Ion slide-on batteries CTB7185, CTB8185, CTB8187 etc. NOTE: CAN NOT Replacement for Snap-On 18V Ni-Cad Tools Battery. (so NOT Fit CT4850 Series Impact Wrenches/ CDR4850 Series Drills). 【Applicable Models】The bottom of 18V battery adapter is only compatible with Makita 18V LXT lithium-Ion batteries, eg. BL1815N BL1815B BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B 18V Li-ion battery. (NOT Fit NiCD/NIMH Batteries). 【Compatible Tools】Compatible with Snap-on 18 Volt Li-Ion cordless power tool. Impact Wrenches:CT8810/9010/9015/9050; Hammer Drills /Drivers:CDR8850/8855/9015/9055; Reciprocating Saws: CTRS8850DB; Grease/Caulk Guns:CGG8850DB; Grinders/Cut-Off Tools:CTGR8845/50/55; Sanders:CTBF8818DB; Rivet Guns:CTRG9050DB; Floodlights:CTL8850, CTFL9050; Work Light:CTLED9050; Heavy-Duty Fan:CTFAN9050; Speakers:CTBTS9050; Inflator:CTINF9050; Vacuums:CTVAC9050; Memory Saver:CTMS8850; USB Power Units:CTUSB8850; 【Durable and Convenient】The replacement for snap-on 18V lithium battery Adapter is made of PC+ABS material, solid and durable. Not 3D printing, Professional compact design and easy installation. longer service life. Small size and light weight, convenient to carry and store. Built-in battery lock, quick-release button, non-slip design, allowing you to install and remove smoothly. Size about 4.35x2.75x2.0 inch. The bottom of 18V battery adapter is only compatible with Makita 18V LXT lithium-Ion batteries: eg. BL1815N BL1815B BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B 18V Li-ion battery. (NOT Fit NiCD/NIMH Batteries). The top of 18V adapter can compatible with Snap-on 18 Volt Lithium Li-Ion cordless power tools: 18Impact Wrenches: CT9038,CT8810,CT9100,CT9010,CT9080,CT9015,CT9050; 18V Hammer Drills /Drivers: CDR8850,CDR8815,CDR9050,CDR9015; 18V Reciprocating Saws: CTRS8850DB; 18V Grease Guns: CGG8850DB; 18V Caulk Guns: CTCG8850DB; 18V Grinders/Cut-Off Tools: CTGR8850DB, CTGR8845DB,CTGR8850K1, CTGR8855ADB, CTGR8850AK1,CTGR8855AK1; 18V Sanders: CTBF8818DB; 18V Rivet Guns: CTRG9050DB; 18V Adhesive Guns; LED Cordless Floodlights: CTL8850, CTFL9050; Lumen Work Light: CTLED9050; Heavy-Duty Fan: CTFAN9050; Cordless Speakers: CTBTS9050; Cordless Inflator: CTINF9050; Cordless Vacuums: CTVAC9050; Cordless Memory Saver: CTMS8850; NOTE: 1. CANNOT charge battery with this Adapter! Please remove the adapter before charging battery; 2. Please remove it from the battery when not in use, Safe to use;