Amazon.com: 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
Ryobi® to Makita® Battery Adapter – Surebonder
Makita Battery 18V | Billig
Makita 18V X2 LXT (36V) Brushless Cordless 7-1/4 in. Circular Saw Kit 5.0Ah with 18V LXT Battery Pack 5.0Ah XSH06PTBL1850B2 - The Home Depot