Black and Decker 20V to Milwaukee 18V Battery AdapterThe Black and Decker 20V Porter Cable 20V to Milwaukee 18V Battery Adapter gives you the freedom to run your Milwaukee cordless tools with batteries you already own. Instead of maintaining multiple charging systems, this adapter lets you reuse your Black and Decker or Porter Cable 20V lithium batteries across Milwaukee 18V tools. Built with nickel plated copper connectors and a durable ABS housing, it ensures a steady flow of power and reliable