Makita 12-Volt MAX CXT Lithium-Ion Compact Battery Pack 2.0Ah and Charger Starter Kit BL1021BDC1
FOR MAKITA 18V 5.0Ah LITHIUM ION BATTERY LXT BL1850B BL1830B BL1860B or Charger | eBay
Battery Adapter Power Wheels Adapter Compatible with 18V Battery BL1860B BL1850B BL1830B Power Mount Connector Adapter Dock Holder with 14 awg Wires - - Amazon.com
18V 5000Mah Battery Plus Charger, 18650 Rechargeable Li Ion Makita Battery For BL1815N BL1820 BL1840B BL1850 BL1860B|Replacement Batteries| - AliExpress