The 6078 charger is an efficient parallel automotive battery charger. This unitdelivers powerful performance by being able to charge up to ten 12 voltbatteries in parallel, in less than 24 hours time. It is designed to operate on220 volts AC 50 / 60 Hz. Features a patented multidiode rectifier with a deepreserve capacity, circuit breaker protection, isolated transformer, and theoption to mount on a bench or a wall. 30 Amps maximum continuous output Powerful Performance Charges 1 -10, 12 volt batteries, in parallel, in less than 24 hours Designed for 220vac 50/60Hz electrical environments Includes a patented multidiode rectifier with a deep reserve capacity Safety: circuit breaker protection and isolated transformer Option of wall or bench mount MADE IN USA Shipping Dimensions (HxWxD): 14?x17?x26? Weight: 83 lbs. Voltage: 12V AC cord: 6 ?? 14-3 DC leads: 8? 10/2 AWG AC input: 230VAC Charging rates: 16