[Product Advantages]:This adapter can make listed for Makita 18V battery lithium batteries use for Makita 12V lithium cordless power tools,and let you enjoy the benefits of extended run-time of li-Ion batteries on your existing 12V tools. Easy to convert and save your money! [Compatible wih for Makita 18V Batteries]This MT18MT12 adapter is for Makita 18V battery, fit for BL1860B BL1860 BL1850B BL1850 BL1840 BL1830B BL1830 BL1820 BL1815, replace for Makita battery to for Makita 12 volt Lithium-ion Battery Battery BL1021B (BL1016) BL1020B BL1041B BL1040B BL1040 BL1015 BL1020B 197402-0 197390 CXT fit 12-Volt Cordless Tools. [Use for Makita 12Volt Power Tools]: Wide usage for Makita 12V Lithium-ion Battery power tool CXT Tools DF031D DF331 DF0331D TD110D, JR103D, JR105D, HSS01D, HP332D, DC10SB DS032 HP330 HP331 HP331DSMJ HP332 TD110 DF331DSMJ HP332 and many other models, for Makita 12 Volt line of tools, like fork, clamp, impact driver, drill, grinder, circular saw, LED light, ratchet, radio, inflator, jig saw, heated jacket, etc. [Safe Protection]Solid design, ABS high quality material,High temperature resistance, wear resistance and drop resistance, convenient to carry and easy to use. [Attention]:It cannot be used to charge the battery of a power tool, and the adapter cannot be plugged into any charger. If you need to charge the power tool battery, use the original battery charger. If you need to charge the power tool battery, please use the original battery charger. Colour:Black Material:ABS Package Contents: 1 x Adapter (No battery)