The M18 M12 Rapid Charge Station is the fastest charging solution in the industry. With the ability to charge six packs four times faster. the station charges three batteries simultaneously while charging each pack up to 40% faster. The charger accepts up to (3) M18 (3) M12 battery packs. reducing the amount of time spent changing out batteries and increasing productivity on the jobsite. Featuring REDLINK Intelligence. it communicates directly with the battery to monitor cell voltage. temperature. and charge status to optimize the performance and extend the life of the pack. The station has integrated hang holes for vertical mounting. a pass through plug to conserve outlet space. and a convenient carry handle to transport packs on and off the jobsite.Charges three batteries simultaneouslyAccepts up to three M18 and three M12 battery packsREDLINK Intelligence: charger communicates with the battery pack to ensure optimum performance and extend life