ENERGETTE POWER FREAK Jump Starter. For your Car and Heavy Duty Commercial Truck 12/24V, 24000mAh - Multi-Function Auto Start Power & Ultra-bright LED Flashlight for SOS, and High Capacity Power Bank. EASY-TO-USE, COMPACT AND VERSATILE: Just connect the red clamps to the positive + terminal and connect the black clamps to the negative - terminal of the vehicles battery. POWER FREAK switches from 12 to 24 Volts with the turn of knob. With 600 Peak Amps at the 12 Volt Amps power and 800 Peak Amps at the 24 Volt Amps, the truck PAC will get the job done. Make sure that the switch is set on the right voltage shift. BUILT-IN SAFETY PROTECTION FEATURES: Designed with 6 different safety features to protect the power bank and vehicle. SHORT CIRCUIT PROTECTION that avoids the cause of a fire, OVER CHARGE GUARD to avoid damaging the power bank, OVER DISCHARGING POWER to exhaust the power storage, REVERSE POLARITY LIGHT if the battery clamps and terminals were inverted, REVERSE CHARGE by transferring power from another jump starter & OVER VOLTAGE PROTECTION to avoid bursting the power. LEGENDARY TRUCK PAC DURABILITY: Like all Truck PAC units, the ENERGETTE POWER FREAK features rugged construction and robust components to stand up to everyday use in even the most demanding jump starting environments. Its impact-resistant case provides lasting protection and features automatic charging and battery status LEDs to make operation easy and convenient. EXCLUSIVE, ENHANCED OPERATIONS: Contains industrial grade hot jaw clamps for efficient power transfer to the vehicle. (AWS) Advanced Warning System, alerts the operator to unsafe jump starting conditions. OPERATING TEMP. -4?- 140?F-functions in the harshest environments, ES Series Jump Starters operate in temperatures as low as -4 degrees Fahrenheit. The LED light indicator will flash according to the different voltage storage levels of power. AUTOMATIC RECHARGING: Included with the ENERGETTE POWER FREAK is an AC wall charger, just plug the adapter into the universal socket and its ready to charge.