The NEXPOW car jumper features a 4-in-1 multi-function: jump starter, tire pump, power bank, and LED flashlight. It features 2000A peak current to start 12V vehicles up to 7.0L Gas and 5.5L Diesel Engines. This car battery jump starter is equipped with the unique Turbocharged Movement, which is more powerful, more stable and less noisy. The portable tire air compressor supports tire-pressure detection, preset values stopping and unit switching (BAR/PSI/KPA). This compact jump start is professionally calibrated to always about the digital-display within 1.0% of the tire's pressure. The car battery jumper portable can detect its voltage in real-time and alarm for abnormal conditions. Built in 8 safety protective technologies including over-charge, over-current, short-circuit, reverse-polarity, high-temp, over-voltage, over-load and spark-proof. Perfect for long-distance driving and camping.