The 2000 QuickCable 12/24 Volt 4000/1800 Peak Amp Commercial Rescue Booster Pack Provides enough power for the most demanding 12 & 24 volt jump starting needs. The 2000 features Dual Heavy-Duty 20 amp hr batteries with 4000 peak amps of power for 12 volt starting and 1800 peak amps in 24 Volt Mode. Starts large Trucks and Diesel applications with dual voltage convenience. 62" long 2 ga. cables provide plenty of reach for under the fender or through the grill access. Parrot Jaw clamps provide plenty of current and clamping power for those really big vehicles. One of the most important features is the reverse polarity connection circuit which eliminates shorting out a vehicles system due to accidental reverse hook-up. An area light for under the hood that also acts as an emergency flasher for road side safety. Recharging is a snap with its charger made right inside the case, just plug it in via the supplied power cord and your done. Top that off with a battery monitoring gauge, a 12 volt accessory port and you will see why QuickCable Rescue Boosters will never leave you stranded.