12V 4000A Portable Car Battery Jump Starter with Air Compressor | 4-in-1 Jump Box for 12V Car Battery, 150PSI Auto-Stop Tire Inflator, LED Light & Power Bank, up to ALL Gas & 8.0L Diesel

Meet the L8 4-in-1 car battery jump starter, your all-in-one roadside emergency companion designed for every driver. This powerful 4000A portable jump starter works as a reliable car jumper and battery jumper, capable of instantly reviving dead 12V vehicles. It supports all gas engines and diesel engines up to 8L, operating steadily even in extreme temperatures from -20°F to 70°F, so you are ready for unexpected breakdowns on winter highways. Beyond being a high-performance jump starter, this multi-functional emergency tool integrates a 150PSI tire inflator, portable power bank and 400-lumen LED emergency light all in one compact body. The built-in tire inflator features an LCD real-time pressure monitor and auto shut-off function, with 4 versatile nozzles for cars, motorcycles, bicycles and sports balls. It quickly inflates tires from 30PSI to 36PSI within 13 minutes and supports BAR, PSI and KPA unit switching for flexible use. Use the USB power bank to charge your phone, tablet and other portable electronic devices outdoors. The LED emergency light offers three lighting modes: steady white light, blue strobe and red SOS strobe, ideal for nighttime maintenance, camping and roadside emergency alerts. Safety always comes first for our battery jumper. Equipped with 10-fold comprehensive safety protection, its intelligent protection system guards against reverse polarity, short circuit, overcurrent and overheating. Constructed with VO fire-resistant material and paired with spark-free smart jumper clamps, this car jumper is safe and beginner-friendly, no professional skills required. Compact and lightweight at only 7.1 × 5.1 × 2.3 inches and 2.54 lbs, this portable jump starter easily stores inside your glove box or car trunk, ready for on-the-go emergencies anytime. Every L8 car jump starter comes with a complete accessory kit: heavy-duty jumper clamps, air hose, 4 air nozzles, USB-C charging cable, user manual and storage box. We back our product with a 12-month warranty. Our customer support team replies within 12 hours to solve your problems. Never wait for tow trucks again; keep this 4-in-1 car jumper in your vehicle for peace of mind on every trip.