Stay ready for any roadside emergency with this portable car jump starter and air compressor combo. Featuring 3500A peak current, it can jump start up to 9.0L gas or 7.0L diesel engines in seconds—even with completely dead batteries. The built-in air compressor delivers up to 150 PSI and can fully inflate a tire in minutes. The smart display shows real-time and preset pressure values for precise inflation. With 10 intelligent protections, spark-proof cables, and automatic error detection, you can use it safely and confidently. This all-in-one battery booster jump starter also serves as a power bank, LED flashlight, and emergency car kit, ideal for cars, trucks, motorcycles, and more. Its compact, rugged design and long standby life make it the perfect travel companion. Whether you call it a jump pack, jump box, or battery jump starter, this versatile tool ensures peace of mind wherever you go.