⚡【Extension Cord/Belt Adapter】The Extension Cord/belt adapter is used to separate the battery from the cordless power tools when working. Wearing the battery on your belt, to reduce the weight lifting burden of the cordless tools, which allows you to work more effortlessly and comfortably.It can be fixed to the wall and ceiling to facilitate the side suspension of the power tool. (Batteries and tools are not included) ⚡【2 Adaptation Ports】The 2 practical ports are used to connect the battery and cordless power tools respectively. One end is worked for Milwaukee M18 18V/14.4V battery and the other end is used to connect for Milwaukee 18V/14.4 Li-ion power tools. (Batteries and tools are not included) ⚡【Compatible Milwaukee 14.4V-18V Lithium Battery】Suitable for Milwaukee 14.4V- M18 18V Lithium batteries, such as 48-11-1880 / 48-11-1862 / 48-11-1852 / 48-11-1820 / 48-11-1865 / 48-11-1850 / 48-11-1860 and etc. Connect for Milwaukee 18V tools, widely used in Industrial, Construction field, Furniture Repair, Home Improvement, etc. ⚡【Convenient to Use】Three simple steps for ready use. Firstly, gently silde in and lock battery well. Secondly, wearing the battery part on your belt suitable position. Finally, silde in and lock 18V tools. At this time, you can start working effortlessly and comfortably.Compact design, small size, light weight, easy to carry. ⚡【Safe And Durable】Made of high-quality materials,Designed with a super thick PVC outer quilt, the 59inch quality cord can withstand 36A MAX of current to ensure usage safety. And the premium ABS body, heat resistant and not easy to corrode, perfectly for indoor and outdoor use.