High-capacity Battery: Equipped with a 1500mAh x4 lithium polymer battery, this 4-in-1 car jump starter ensures you can easily start your vehicle and charge your devices on the go. The robust battery supports a quick charging time of just 3-3.5 hours. Versatile Air Pump: With a maximum inflation pressure of 150PSI and an air volume of 35L/min, this device is perfect for inflating tires, balls, and swimming rings. It supports multiple pressure units including PSI, BAR, KPA, and KG/cm², making it suitable for various inflation needs. Comprehensive Safety Features: This product is made from durable ABS+PC material and does not contain any high-concern chemicals, ensuring safety and reliability. It's designed to provide emergency power and tire inflation in critical situations without compromising on safety. Portable and Efficient: Weighing just 1010g and measuring 20cm x 20cm x 6cm, this compact device is easy to store and carry. It's ideal for use in cars, motorcycles, and bicycles, providing a reliable power source and air pump anytime and anywhere. Multi-functional Design: Not only does it serve as a car jump starter and air compressor, but it also features emergency lighting and power bank functionality for charging electronic devices. This makes it an indispensable tool for outdoor adventures and emergency situations. Description/Features: This power supply is equipped with a car emergency start feature, enabling you to jump-start your vehicle swiftly and effectively. Get back on the road without delay. Integrated with a 14.8V car air pump, this device allows for easy inflation of tires and other inflatables, enhancing its utility for any driver. It functions as a power bank backup battery, offering the capability to charge your electronic devices and keep them powered during unforeseen circumstances. Designed for emergencies, this portable mobile power supply provides a dependable power source for your devices, ensuring you stay connected while on the move. The