Amazon.com: Battery Adapter Converts Compatible with Makita to Compatible with Ryobi One+ - Batteries for Power Tools Works with Ryobi 18V One+ Cordless Power Tools + European Hand Cream + e-Book :
Converter Adapter MT20RNL Junctor Use Makita 18V Li ion Battery BL1830 For Ryobi nickel or Lithium battery P103 P108 One+ Tool|Battery Accessories| - AliExpress