How to convert an old Ni-Cad battery drill to Lithium Ion! - YouTube
Battery Adapter for Makita 18V Li-Ion Battery Convert To for Dewalt Ni-Cd Ni -Mh | eBay
Bosch Cordless Drill Ni Cd to Li Ion Battery Conversion - YouTube
MT20MN 18V Lithium Battery To Ni-Mh Ni-Cd Li-Ion Battery Converter Adapter for Makita BL1860B/BL1860/BL1850B/BL1850/BL1840 - AliExpress
Battery Adapter Converter For Makita Li-Ion Battery 18V To Ni-Cd Ni-Mh Battery | eBay
DVISI MT20MN 18V li-ion battery Convert To 18V NI-CD/NI-MH Charger Tool Adapter for makita cordless power tool(battery not inclu - AliExpress
Dm18gl Battery Adapter For 20v Li-ion Battery/ For Milwaukee 18v Li-ion Battery Convert To Craftsman 19.2v Li-ion & Ni-cd Battery, With Usb Port(adapter Only) - Temu