The Associated Model 6065 battery charger is designed to charge 1 to 10 12 volt automotive batteries in parallel, in parallel, in less than 24 hours. Designed with the fleet or high volume shop in mind. Great for salvage yards as well. The multiple charge rates allow batteries to be slow charged or fast charged at a rate not to exceed 30 amps output of the charger. Patented multi-diode rectifier with deep reserve capacity. The volt meter allows you to adjust the charge rate to compensate for battery type, size and quantity of batteries on a charge. The output leads are terminated in ring terminals and designed to be permanently attached to the Associated 6086 Parallel Battery Charging Rack, the Associated 6075 Parallel Bus Bar Kit, the Associated 6075CB Parallel Bus Bar Kit or the Associated 6075S Smart Parallel Bus Bar Kit. This unit is not intended to be used as a car starting unit. Heavy Metal Cabinet Construction Isolated Transformer For Safety UL Listed Circuit Breaker Protected Mounts On Wall or Bench For Flooded or Wet batteries only Use with Bus Bar Or Charging Rack For Best Results Made In USA DC Output: 30amp / 14.9volts AC Input: 108-132 volts / 7.5amps, 60HZ Charging capacity: (10) 12 volt batteries, at a time Charge rates: 16 Voltmeter: 11-17 volts Ammeter: 0-50 amps DC leads: 6ft. AC cord: 6.5ft Shipping dimensions: (HxLxW) 16″x19″x16″ Warranty: 1 Year Weight: 40 lbs