HIGH PERFORMANCE, START DEAD BATTERIES: Safely jumpstart a dead battery in seconds with this compact and powerful battery jump starter. This 1500-amp lithium booster can produce up to 20 jump starts on a single charge, and is rated for up to 6L gasoline and 3L diesel engines. The S8 AIR battery pack can reliably start 12V batteries easily even at -4~140℉. It's universally compatible with cars, trucks, motorcycles, lawnmowers, SUVs, snowmobiles, boats, etc

PORTABLE AIR COMPRESSOR & TIRE INFLATOR: This 150PSI air compressor has 5 preset modes (3 units: PSI, kPa, Bar) to inflate cars, motorcycles, bikes, and balls. It automatically stops at your preset value—no need for constant adjustments or monitoring. The air pump’s high-quality cylinder delivers 25L/Min fast inflation, filling a tire from 32PSI to 36PSI in just one minute. Note: Allow the air compressor to rest for at least 10 minutes after 10 minutes of continuous operation

ENHANCED SAFETY & QUALITY: The AstroAI S8 Air Jump Starter has 10 built-in 10 protection features that prevent misoperation from occurring, meeting national standard UL & FCC Certifications. Its durable ABS housing is tough enough to withstand accidental drops. Our customer's safety and comfortability using this product is our top priority

UNIQUE 2.4" LARGE SCREEN：The S8 Air Jumpstarter has an intuitive 2.4" digital screen that is readable even in bright sunlight. This portable jump starter detects and displays operational status, battery level, and error codes in real time. When using the air compressor function of this tool, the large screen displays preset values and real-time pressure values, allowing users to read and monitor the inflation process all at once

PORTABLE & COMPACT: The S8 Air Jump Starter takes up little space in a car. Never worry about losing parts; the power cord and accessories can be stored in the jump starter. Thanks to the widened honeycomb hole design, the jumpstarting temperature of the battery jump starter is reduced by 30% to let heat pass through quickly. NOTE: THE AIR TUBE WILL BE HOT AFTER INFLATION. PLEASE WAIT UNTIL IT COOLS OFF TO REMOVE

ALL-IN-ONE PORTABLE JUMP STARTER：Say goodbye to old, bulky jump-start battery packs! The AstroAI Lithium Battery Jump Starter is more lightweight and portable with 6 practical functions to meet all your needs, including car emergency jumpstarting, air compressor, 3 light modes (flashlight, SOS warning, strobe), and a power bank (USB ports for charging mobile devices)