Use any brand battery in any power tool 18v-20v DEWALT MILWAUKEE MAKITA PORTER CABLE BOSCH adapters - YouTube
Bosch 18V Battery to Ryobi ONE+ Tool Adapter | tool, Robert Bosch GmbH, adapter | Don't think you can use your 18V Bosch Professional battery with a Ryobi One+ tool? The Badaptor
Bosch Blue 18v Battery Adaptor to Ryobi One Tools - Etsy UK