Bosch to Ryobi One+ 18V Battery Adapter | Badaptor
Ryobi P197 Battery ONE + (PLUS) Compatible Replaces P108 Rechargeable Lithium Ion 18 v Volt 4.0 Ah / 72 Wh UL Listed Faster Recharge Single Battery with Fuel Gage - - Amazon.com
RYOBI ONE+ 18V Lithium-Ion 9.0 Ah LITHIUM+ HP High Capacity Battery P194
P191 Ryobi 18V Lithium Battery Rebuild Service – MTO Battery