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Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement
Amazon.com: YongerTool BL1860 18V 6.0Ah Battery and Charger for Makita,Upgrade DC18RC Charger with LCD Display Cooling Fan Compatible with LXT Li-ion Battery BL1850 BL1840 BL1830 BL1820 BL1815 : Tools & Home Improvement
Amazon.com: QSDXNYDC Power Wheel Battery Adapter for Makita 18V LXT Battery with Fuse&Switch 14 AWG Connector for BL1850B,BL1860B,BL1830B,BL1840B,BL1820B for DIY Rc Car Toys, Robotics and Rc Truck : Tools & Home Improvement