"This DSR Industrial Series Battery Charger is a fully automatic, microprocessor controlled multistage unit that is built to charge 48V lead acid batteries. It's a perfect choice for golf carts, tow tractors, people transporters and more. Industrial UL approved. Overcharge Protection Yes, auto float-mode monitoring, Charger Type Automatic, Cable Gauge 8, Works With 48V batteries, Volts 48, Polarity Reversal Protection Yes, Power Cord ft. 6, Dimensions L x W x H in. 12 1/2 x 10 3/4 x 14 1/8, Amps 25, Cable Length in. 72, Wheel Type None, Charges Multiple Batteries qty. 4 x 12V 2 x 24V, Case Material Steel, Settings qty. 1, Amp Charge Rate 48, Recharge Time hours at amps 4 at 25. Charges in as little as 4 hours @ 25 Amps Intelligent charger design is loaded with safety features including a safe-start system, reverse polarity protection and short circuit protection Will not deliver current to the battery until it is properly connected Thermal runaway protection stops charging if the charger detects a problem with the battery Automatic temperature compensation automatically adjusts the output voltage based on the surrounding air temperature to prevent overheating Maintain mode monitors the battery's voltage to keep it fully charged A temperature controlled cooling fan ensures efficient operation Power saving mode reduces energy use in standby or maintain modes Includes 6ft. long, 8-ga. output cables with polarized 50 Amp quick-connect connector Lighted on/off switch LED charger status indicators"