The X7 Jump starter of the VTOMAN jumpcore series was born in 2022. It was developed by researchers from famous universities all over the world after 3 years. The X7 car jump starter has a super configuration of 4250A 99.9Wh and an air compressor to help you solve car emergency Trouble starting and tire inflation. This portable car battery jumper starter battery booster set can be used safely by anyone, and has spark-proof technology and reverse polarity protection. The X7 jump box 400 lumen LED light has 3 modes: Normal, Strobe, and SOS. The 100 PSI air compressor supports inflation in three pressure units: PSI, BAR, KPA. X7 is not just a jump pack, it is also a portable power bank. Its internal battery can be used to recharge any personal mobile device like smartphones, tablets, or any other USB device that can be recharged by any powered USB port. The most important thing is that our professional and responsible after-sales service is the reason you choose us. we provide you with 16 Months of warranty service and lifetime technical support. Other commonly used search terms: car jump starter, jump starter for cars, jump starter car, jump starter, jump starter battery, jump starter lithium, motorcycle jump starter, diesel jump starter, boat jump starter, best jump starter, pocket jumper car jump starter, vehicle jump starter power pack, booster pack for car, auto battery jump starter, emergency jump starter for car, lithium car jump starter, compact jump starter, 12V battery jump starter, jump starter 4000 amp, 4000 amp jump starter, multi-function jump starter, emergency car battery jump starter, 4000A jump starter, 4000 amp jump starter, jump starter 4000A, portable car jump starter charger, booster charger jump starter, battery starter, car battery charger starter, battery jumper starter, battery jumper starter portable. 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%.