375 cold crank amps. 16 rates of charge 75 Amp continuous charge with 375 Amps crank assist at 12 volts. UL and CSA listed for indoor and outdoor use, "Safe in any Weather.". UL continuous ratings-100/75 Amp; UL cranking assist rating-375 Amp. 500 amp, fully insulated, "Flexi-Spring" clamps The highest performance fast charger on the market. Designed to meet the needs of the most demanding professional. Includes automatic reset AC and DC circuit breakers, patented stop/go light and automatic timer. Unit features heavy duty chrome plated handle and rugged 7" tires. Comes with a 5 year limited warranty.