Makita BL4020 40v Max XGT 2Ah Battery Twin Pack (2x2Ah)
Running a Makita 18V 2Ah (also tried a 9Ah) battery to a voltage reducer on my sons Peg Perego ground force tractor. Everything besides 2nd gear works. When I remove the reducer
Premiun Battery
DeWalt to Makita 18-20V Battery Adapter – Badaptor