General description This battery adapter converts 20V and 18V lithium batteries to be compatible with FEIN 18V lithium battery tools. It serves as a perfect replacement for FEIN ASCD 18, ASCD 18 W4C, and ASCM 18, allowing you to utilize your existing 20V and 18V batteries with FEIN 18V cordless tools, saving you money on new ABS series 18V batteries. Technical specifications Compatible with FEIN ASCD 18, ASCD 18 W4C, ASCM 18 series lithium battery power tools Compatible with FEIN B18A.165.01, B14A.164.01 lithium ion battery models Material: ABS Color: Orange Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with 18V/20V max batteries: -2, DCB201, DCB206, DCB206-2, DCB207 Compatible with 18V Lithium Ion models: M18B 48-11-1850, 48-11-1852, 48-11-1820, 48-11-1860, 48-11-1828, 48-11-10 XC Usage This adapter cannot be used to charge the battery of a power tool The adapter cannot be plugged into any charger To charge the power tool, use the original battery