The QuickCable 1060 12 Volt 2000 Peak Amp With 115 Volt 300 watt Inverter and AIR Rescue Booster Pack is probably the most feature rich booster pack you can buy. It has features of the best combined. It starts with a Heavy-Duty 20 amp hr battery with 2000 peak amps of power to start even the most stubborn trucks and vehicles. 55" long 6 gauge cables to reach batteries over the fender. One of the most important features is the reverse polarity connection circuit which prevents shorting out a vehicle system due to accidental reverse hook-up. Illuminated clamps light the battery terminals in dark environments ensuring perfect connections and an area light for under the hood that also acts as an emergency flasher for road side safety. A built-in power inverter supplies ample switchable 115 volt power for work lights or accessories and doubles as a power source for recharging your other 115 volt accessories like a cell phone or laptop (great for conventions), all protected with a replaceable 30 amp fuse for safety. The built-in USB port also powers MP3 players and i-Pods for a added convenience. The air compressor has a higher rating than most as well as a pressure gauge with added tips for most recreational and sporting needs. 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 and you will see why this unit will never leave you stranded.