Milwaukee M18 PACKOUT Six Bay Rapid Charger

Amazon

Charges 2 batteries simultaneously at a rapid rate (up to 40% faster than standard chargers) Sequential charging: After the first two batteries, it automatically moves to the next pair Fully compatible with all M18 batteries USB-A port (5V/2.1A) to charge personal electronics like phones or headlamps Storage caddies on both sides for your devices while charging

Radwell UK

POWER TOOL CHARGERS; VOLTAGE: 18 ; FOR USE WITH: PACKOUT MODULAR STORAGE SYSTEM ; BATTERIES INCLUDED: NO ; NUMBER OF BATTERY PORTS: 6 ; NUMBER OF BATTERIES: 0 ; FEATURES: CHARGE (2) BATTERIES SIMULTANEOUSLY, ONE ON EACH SIDE, AT RAPID CHARGE RATE48-59-180