BL1830 Li ion Battery Case Charging Protection Circuit Board Box For Makita 18V 3.0Ah 6.0Ah Label LED Battery Indicator BL1860|Battery Storage Boxes| - AliExpress
for Makita 18V 6Ah 5Ah Battery LXT BL1850B BL1830 BL1860 B Li-ion DC18RD Charger | eBay