Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement
Power Adaptor 5 (makita-style) for 5E FLEX Smoke Blower
Battery Converter Adapter For Bosch 18v Lithium Batteries Convert To For Makita 18v Bl1820 Bl1830 Power Tools Battery - Tool Parts - AliExpress