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
18V 9AH BL1890B replacement battery for Makita with LED 10-piece/compatible with Makita 18V BL1830B BL1860B BL1820 LXT-400 – Dasbatteries
AKUMULATOR do MAKITA 18V 9Ah LI-ION BL1830 - AM Electronics
Replacement for Makita 18V 9Ah Battery BL1830 BL1830 BL1840 BL1840B BL1850 BL1850B BL1890 rechargeable battery indicator LED BR - AliExpress
Original For Makita 18V High Density 3Ah-9Ah Rechargeable Power Tools Battery with LED Li-ion Replacement LXT BL1860B BL1860 BL1850 LXT400 Cordless Drills | Wish