Safely and easily Jump-Start your car, truck or powersports vehicles. The XP-10-HD has 300 Amps starting current with a massive 650 Amps Peak. Jump-start DIESELS up to 7.3L as well as gas engine vehicles. The included HEAVY DUTY Smart Clamps have unbreakable All-Copper construction and better power transfer with a much larger, stronger jaw than the mini Smart Clamps. Multiple built-in protections.