Sale! 2 x For Makita BL1830 18V 5.0Ah LXT Lithium BL1840 Battery BL1815 BL1845 - Walmart.com
Waitley 18V 9.0Ah Battery for Makita Power Tool BL1830 BL1840 BL1850 BL1860 1890 18 v 18Volt 9000mAh Lithium Ion Replacement 9A|Replacement Batteries| - AliExpress
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