UNTIMATY 39800mAh portable car jump starter with wireless 150 PSI tire inflator, 3000A peak The UNTIMATY 39800mAh battery jump starter delivers a powerful 3000A peak current, capable of starting 12V vehicles (all gasoline engines/12V diesel engines, including hybrid vehicles) in just 3 seconds, even in extreme temperatures (-4°F to 140°F). With 80% battery, it can jump-start up to 50 times and has a lifespan of over 1000 charge cycles. The integrated wireless 150 PSI air inflator comes with 3 air nozzles, making it easy to inflate cars, bikes, balls, mattresses, and pool floats. This new battery jumper starter portable features a user-friendly design, including a coiled air hose, quiet cooling system, and one-touch pressure adjustment. The smart presets and auto shut-off functions ensure ease of use without the need for constant adjustments. ‼️‼️‼️Please note: The compass included with the product is decorative and not intended for navigation or practical use.