Makita charger blacklist batteries after three errors. Not buying that crap again. : r/Tools
Amazon.com: Upgrade for Dyson V7+V8 Battery Adapter Replacement, for Makita 18V Battery Work for Dyson V7/V8 Series Vacuum Cleaner (V7 V8 Common) : Home & Kitchen
XT60 adapter for Makita 18V battery – terrafirmatechnology