Delivers 3400 Peak Amps of jump starting power in 12 Volt mode, and 1700 Peak Amps of jump starting power in 24 Volt mode. Long, 46" #2 gauge cables allow convenient positioning of the unit during jump starting, while Industrial-Grade Hot Jaw clamps penetrate battery terminal corrosion and provide maximum power transfer. Automatic recharging using an onboard fully automatic battery charger. Battery status indicator gauge. Assembled in the USA with US and imported components The versatility of 12 and 24 Volt jump starting in a single, heavy-duty unit. Dual Clore PROFORMER batteries power the JNC1224 to 3400 Peak Amps in 12 Volt mode. With an easy change between voltage settings using quick connects, and an onboard automatic charger, it is as convenient as it is powerful. Includes DC outlet to power 12 volt accessories and a 1 year limited warranty. Supersedes: KKJ99058