Amazon.com: AuthFrank Battery Adapter converts for Bosch 18V Lithium Battery to for Makita 18V Lithium Battery BL1840 BL1850 BL1830 BL1860B LXT 400 etc. : Tools & Home Improvement
18V Battery for 18 Volt Makita BST221Z BTDW251Z ML185 TD140D TW251D - Walmart.com
USB Power Source Addon with Multi USB Cable for Makita BTD140Z, Makita BHP453, Makita BST221Z, Makita BHP453SHE - Phone & USB Devices Charger Accessory for Makita 18V Lithium-Ion Power Tool - Amazon.com
18V 3,0AH Battery for Makita BL1830 BL1840 BL1850 Li-Ion LXT or Double Charger | eBay
Makita USA - Product Details -BST221Z
6.0Ah For MAKITA 18V LXT LITHIUM-ION Battery / Charger 18 Volt BL1860B-2 BL1850B | eBay