About this item ASCM 18 , ABOP 6 , ABH 18 Not compatible. 【Convert for Fein 18V】Converter top: Compatible with FEIN ASCD 18 W4, ASCD 18 W4C, ASCM 18 series lithium battery power tools; 【for FEIN power tools must be compatible with FEIN B18A.165.01 92604164020, B14A.164.01, 92604175020, B18A.165.01 ABS 18, ABS 18 C, ASB 18, ASB 18 C, ASCD 18 W2, ASCD 18 W2C, ASCD 18 W4,lithium ion battery models】 【Compatible with Einhell Battery】This battery adapter for Einhell Power X-Change 18V series,Li-Ion System-4511396 4511437new 4511437OVP PXBP-300 PXBP-600 PX-BAT52 etc. Conversion on for Fein 18V system. The battery and adapter are very consistent and do not fall down during use and do not shake, safe and reliable. 【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. 【Use for Fine 18V Tools】: This ONE 18FEN Battery Adapter converts for Einhell 18V battery to for FEIN 18V lithium battery, perfect replacement for FEIN ASCD 18 W4, ASCD 18 W4C, ASCM 18 Fits for FEIN B18A.165.01 lithium battery, which means you can use your many for Einhell 18V batteries for FEIN 18V battery tools, save your money on new ABS series 18V battery battery.