4400A 12V/24V JUMP STARTER AND PORTABLE POWER STATION 4400 peak amps, 750 (12V) and 475 (24V) cranking amps, and 525 (12V) and 350 (24V) cold cranking amps. Jump starts a wide range of vehicles, including regular 12V cars, trucks, SUVs, and even 24V semi-trucks. Equipped with 12V DC accessory outlet and 2.1A USB port to be a portable power source. Compatible with 12V and 24V AGM, deep-cycle, gel, lead-acid, and wet cell batteries. 2 AWG, 60-inch heavy-duty booster cables. Reverse hook-up warning system to safeguard against reversed connections. Rust- and corrosion- case, featuring protective side caps for added durability. Safe to use in vertical or horizontal position. Red On/Off power switch, designed to prevent accidental sparking and ensure safety at all times. Digital display provides clear and accurate information at a glance. Designed and built for professionals DSR166