Från den manuella ... Instruktioner för jackpluggladdare:
Place the battery pack into the tool until it “clicks” into place. Insert the charger plug into the connector as shown in figure B. Plug the charger (6) into any standard 120 Volt 60 Hz electrical outlet and let the battery pack charge initially for 12 hours. After the initial charge, under normal usage, your power pack should be fully charged in 6 to 12 hours.