Features*Work with Makita 18V Li-ion Battery Only. Work with Makita BL1830 BL1840 BL1850 BL1860 BL1840B BL1850B BL1860B BL1820 Batteries*The red wire is connected to the positive battery terminal, and the black wire is connected to the negative battery terminal.*DIY battery adapter Only!*This adapter must be separated from the battery when not in use for a long time*Suitable for 18V tools;*Provide power for your electric bicycle/skateboard/toy car, etc.;*Connect it to your 18V DC motor;*Four-wheel drive accessories/camping equipment/van;*Use it to connect the lighting.Specifications:*Type:MT18V*Wire specification: high temperature resistant UL1332 12AWG*For MT Makita 18V Li-ion Battery Adapter*Fixed with screw holes: the adapter can be fixed at any position for easy organization.*Multifunction:Package Contents:1pc x Battery Adapter (Adapter Only, Not Included Battery and Tools)Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.