Amazon.com : Dosctt 2 Packs 18 Volt 3.0Ah BL1830B Replacement Battery Compatible with Makita 18V Battery Lithium BL1815 BL1820 BL1830 BL1840 BL1850 BL1860 LXT-400 : Tools & Home Improvement
New Battery For Makita 18V 6.5Ah LXT Lithium-Ion BL1840 BL1860 BL1820 tool -2pk 88381474900 | eBay
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
Waitley 18v 6.0ah Rechargeable Li-ion Battery For Makita Power Tool 18 V Batteries Bl1840 Bl1850 Bl1830 Bl1860b Lxt 400 - Rechargeable Batteries - AliExpress