Amazon.com: 2 Packs Replace for Makita 18V Battery 6.0Ah, Replacement Makita 18 Volt BL1860B Batteries BL1820B 1830B 1840B 1850B, Compatible with Makita 18v Tools, Fit with Original Makita 18v Battery Charger :
Octopart Electronic Components
Makita BL1820B LXT 18 V 2,0Ah, Battery – 9c Bouldering
Makita 18V LXT Lithium-Ion Compact Battery Pack 2.0Ah with Fuel Gauge BL1820B - The Home Depot
2) NEW 18V GENUINE BL1820B 2.0 AH Makita Compact Batteries, 1) Charger 18 Volt | eBay
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
2) NEW 18V GENUINE BL1820B-2 2.0 AH Makita Batteries 18 Volt For Drill, Saw LXT | eBay
1) NEW 18V GENUINE BL1820B 2.0 AH Makita Compact Battery, 1) Charger 18 Volt | eBay