LOOK, REDUCED 50 DOLLARS. THIS BATTERY CHARGER WAS BUILT AND DISTRIBUTED IN 2004 BY INDUSTRIAL BATTERY ENGINEERS OF CALIFORNIA, (IBE). IT IS 110 VOLT INPUT, 50-60 CYCLES AT 10 AMPS DRAW. THE OUTPUT IS 28 VOLTS DC AT 28 AMPS, CAN START AT 40 AMPS FOR A DEAD BATTERY CONDITION. VERY GOOD CONDITION AND WORKS GOOD