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
Makita USA - Product Details -BL1820B-2
Makita 18 Volt LXT Lithium-Ion 2.0 Ah Compact Tool Battery - Town Hardware & General Store