Power Wheel Adapter for Makita 18V Battery with Fuse & Switch & Wire terminals,Power Connector for Rc Car, Robotics, Rc Truck,DIY use, Work with for Makita BL1860 BL1850 BL1840 BL1830 Li-ion Battery:
How to make a Makita 18V 5ah battery with my homemade spot welder (BL1850) - YouTube
Makita 18v battery adaptor / base plate for DIY projects – Your ToolBox
JINXIAN DIY battery converter Compatible for Makita 14.4-20V Lithium Battery Accessories Power Wheel Adapter Power Converter for DIY USE Cable Connect Output for Ride On Truck, Robotics,Toys: Amazon.co.uk: DIY & Tools