Product descriptions Info for this article 【Perfect battery converter】 Made of high quality ABS material, it withstands high temperatures and falls. The precise design ensures that the adapter and battery fit up to 100% so you can use them safely. The battery adapter from for Makita 18V LXT battery to for Makita 12V Max CXT is the perfect addition to your power tool series. Save your money and rest assured to use tools. 【Compatible with Makita 18V Batteries】 This MT18MT12 adapter is compatible with Makita 18V Battery, compatible for BL1860B BL1860 BL1850B BL1840 BL1830B BL1830 BL1815, replace for Makita 12 Volt Lithium-ion Battery BL1021B (BL1016) BL1020B BL1040 BL1020B 19740B CXT fit 12-Volt Battery 【Use for Makita 12Volt power tools】: Wide use for Makita 12V lithium ion battery power tool CXT tools DF031D DF331 DF0331D TD110D, JR103D, JR05D, HSS01D, HP332D, DC10SB DS032 HP330 HP331DSMJ HP332 TD110 DF331DSMJ HP332 and many other models, compatible with Makita 12 Volt line of tools, such as fork, clamp, impact driver, drill, grinder, circular saw, LED light, ratchet, radio, inflator, heated saw, etc. 【Benefits】: Made of high quality materials, robust, portable design, easy to use. This product is only a battery adapter, not a battery charger, can not be used to charge the electric tool battery. Converter bottom: Suitable for Makita 18V Battery: BL1850 BL1840 BL1830 BL1820 BL1815,etc. Converter top: Work on for Makita 12V lithium ion battery power tools. Note： This converter does not support for Charger