ITEM NAME:Bps20Po 20V To 18V Battery Convert Adapter For Black Decker/Stanley/Porter Z1F4 Bps20Po 20V To 18V Battery Convert Adapter For Black Decker/Stanley/Porter Z1F4 Colour: Black material: plastic This adapter can make listed lithium batteries use onPORTER CABEL 18V tools , and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools. Maximum initial battery voltage(measuredwithout a workload) is 20volts,Nominal voltage is 18volts Allows for use of 20V MAX batteries and replacement batteries in most batteries of Black&Decker(LBXR20,LB2X4020),Stanley(FMC680L,FMC685L), Porter Cable(PCC680L,PCC685L),etc.Use for PORTER CABLE 18-Volt power tools(PC18B,PC18BLX). Notice: Allows for use of 20V MAX batteries and replacement batteries in most batteries of Black&Decker(LBXR20,LB2X4020),Stanley(FMC680L,FMC685L), Porter Cable(PCC680L,PCC685L),etc. Use forPORTER CABLE 18-Volt power tools(PC18B,PC18BLX).Can not be used for power tool battery charging, this adapter will not fit intoany chargers. If you need to charge your power tool batteries ,please use the original battery chargers. Package Contents: 1 * BPS20PO Battery Convert Adapter.Use forPORTER CABLE 18-Volt power tools(PC18B,PC18BLX).