• DC outlet to power 12 Volt accessories; • Voltmeter feature: models #JNC660 & #JNC1224; • Dual USB outlets feature: model #JNC770R (2.1 A and 1.1 A); • 1 year limited warranty; • Peak Amps 12Volt 900A; • Cranking Amps 12Volt 225A; • Cable Length: 27"; • Cable Gauge #4