Need powerful, multi-volt charging in a portable unit? Look no further than the JNC1224. With an easy change between voltage settings, it packs a heavy-hitting 3400 Peak Amps of starting power in 12 Volt mode and 1700 Peak Amps of starting power in 24 Volt mode. Its onboard automatic charger can provide up to 24 Hour/365 Day continuous charging. 3400 Peak 12 Volt Amps. 1700 Peak 24 Volt Amps. Automatic charging mode. Battery status indicator gauge. 46" Heavy-duty #2 cables. Extra heavy-duty polyethylene case. DC outlet to power 12 Volt accessories.