The highest performance fleet charger on the market, comes with our best manufacturer’s boost rating 600 amps. Charges 6,12,18 and 24 volt batteries. Heavy duty transformer, patented "Sub-Sil" multidiode rectifiers, longer AC cord and the DC leads are standard features for higher performance. UL listed for indoor and outdoor use, "SAFE IN ANY WEATHER." *Export version available, Model 6027B.