Adapter Converter Function: This battery adapter can compatible with Dewalt 18V 20V MAX XR slide lithium battery to make them work on Black & Decker 20V/Porter Cable 20V/Stanley 18/20Volt Lithium-Ion cordless tools. Let you enjoy the benefits of extended lithium ion battery operation time on existing 20V tools instruments. (Note: Not fit B&D trimmer or vacuum.) Mounted Models: The bottom of this adapter can compatible with dewalt 18V 20V max XR Lithium-Ion battery, eg.DCB180, DCB181, DCB184, DCB200, DCB200-2, DCB201, DCB203, DCB204, DCB204-2, DCB205, DCB205-2, DCB206, DCB206-2, and also compatible with Flexvolt 20V max battery; Replace for: After install your compatible battery, it can replace for Black and Decker 20V MAX(Not OLD 18v) Lithium Battery(LB20, LBXR20, LBX20, LB2X2020, LB2X3020, LB2X4020); or repalce for Porter-Cable 20V Lithium Battery( PCC680L, PCC681L, PCC682L, PCC685L,); or replace for Stanley 18V/20V max Lithium Battery(FMC680L, FMC687L, FMC688L, SCB20C-A9, SCB20D-A9). Durable and Convenient: Made of high quality ABS+PC material, solid and durable. Professional compact design and easy installation. Small size(4.25"x2.95"x1.85"), easy to carry and store, convenient to use and with good performance. USE TIPS: 1. Adapter Can not be charged. If you need to charge your batteries, please use the original battery chargers. 2. Please remove it from the battery when not in use Safe to use. Features: This adapter converter can compatible with Dewalt 20V MAX XR slide lithium battery to make them work on Black&Decker 20V/ Porter Cable 20V/ Stanley 18/20 Volt Lithium-Ion cordless power tools. WARNING: Not compatible with Black & Decker OLD 18V Ni-CD/Ni-MH Tools. The battery type mounted on the bottom of the adapter: Compatible with Dewalt 18V/20V MAX XR li-ion battery. eg. DCB180 DCB182 DCB184 DCB200 DCB201 DCB203 DCB203BT DCB204 DCB205 DCB206 etc. After install your compatible battery, it can replace for Black& Decker 20V max battery, Porter Cable 20V Battery, Stanley 18V/20V max battery: EG. Replacement for Black & Decker 20V max Lithium Ion LBXR20 LBXR20-OPE LB20 LBX20 LBX4020 LB2X4020-OPE (Not Compatible with 18V Ni-CD Battery); EG. Replacement for Porter Cable 20V battery PCC685L,PCC685LP,PCC680L,PCC682L; EG. Replacement for Stanley 18V/20V max battery FMC680L,FMC687L,FMC688L,SCB20C-A9,SCB20D-A9. NOTE: 1. For a long time don't use, please separate from the battery. 2. Adapter Can not be charged .You Must charge the battery with a suitable charger. Package Includes: 1x 20V Adapter Converter (Adapter Only, Battery & Tool Not Included)