UNMATCHED STARTUP PERFORMANCE：The X7 jump starter has a peak starting current of 4250A and a large battery capacity, especially professional for heavy-duty vehicles like trucks boats. The X7 battery starter is able to start all 12V vehicles (10L Gas/10L Diesel engines) up to 70 times at once. Additionally, our X7 battery jump starter is equipped with BOOST FUNCTION for TOTALLY DEAD BATTERY. INTELLIGENT DIGITAL TIRE INFLATOR：The X7 car jump starter is equipped with a 5.1-inch smart screen and tire pressure detection function to make your operation more convenient. Not only that, our X7 jump starter with air compressor can adjust the inflation mode at any time during the pumping process. The jumper starter battery pack supports 3 optional units (PSI, BAR, KPA). A 160PSI air compressor takes about 2 minutes to inflate a typical car tire to 20 PSI. 5.1-INCH LARGE INTELLIGENT DISPLAY: A user-friendly 5.1-inch smart screen provides you with important data such as battery level, inflator mode and real-time tire pressure, making it easier and clearer to use the product. MULTIPLE PROTECTION：The upgraded smart chip of the X7 jump starter battery pack makes it easy and fast to start the car in extreme environments (-4°F to 140°F), with 10 built-in safety protection technologies(over-charge, over-current, short-circuit, reverse-polarity, low-temp, high-temp, over-voltage, over-load, spark-proof, reverse-charge). UPGRADED THERMAL DESIGN：The unique honeycomb heat dissipation design enables the X7 car battery booster to obtain more powerful heat dissipation performance, so the safety performance of the X7 car starter is Enhanced by 30%, and its service life is promoted by 50%.