Features and Benefits:Upgraded 40/20/5 Amp charger appeals to the small shop and the do-it-yourself userIt is UL listed and packs a 200 Amp crank assistManufacturer’s boost rating 350 Amps.200 Amp crank assist - power for engine starting40/20/5 Amp Continuous Charge Rate - lots of power in an inexpensive package....(more info)