High Capacity Jump Starter for Gasoline & Diesel Trucks

Feature Highlights

ULTRA POWERFUL JUMP STARTING: The AstroAI S8 Ultra car jumper starter portable is designed with exceptional power, featuring a powerful 4000 A current and a 24000 mAh battery capacity. With a 45 C discharge rate, it efficiently boosts up to 10 L gas and 8 L diesel engines, even when fully drained.

EASY TO USE: Incorporating smart features, the portable jump starter comes with intuitive indicators on the jumper cables, providing a safe and straightforward user experience. The device automatically analyzes the battery’s voltage and delivers the appropriate boost. For batteries at 9-12 V, it will automatically jumpstart them once the jumper cables are connected. When batteries drop below 9 V, the S8 Ultra prompts the user to press the Boost Button, enabling quick jump starts for fully drained batteries.

SUPERSAFE 12V JUMP BOX: The AstroAI S8 Ultra car battery jump starter offers 10 comprehensive safety features, including reverse polarity, overcurrent, reverse connection, overvoltage, overcharge, overdischarge, overload, short circuit, low/high-temperature protection, and spark-resistance. It is built to be waterproof (IP 65), dust-proof, and drop-proof, ensuring reliable use in various conditions.

WIDE COMPATIBILITY PORTABLE CHARGER: This versatile jump starter is equipped with multiple ports, including a 5 V/9 V/12 V output USB-A port, a 5 V/2.4 A output USB-A port, a Type-C in/out port, and a 15 V DC port. It is perfect for charging various electronic devices and powering DC car accessories. With the S8 Ultra Jump Starter, power anything from car vacuum cleaners to cellphones. Note: Wall charger is not included.

CAREFULLY-CRAFTED DESIGNS: The portable jump starter battery pack was meticulously designed to simplify the jump-starting process. Smart battery indicators and high-quality internals ensure ease of use and powerful performance.

ROADSIDE CAR EMERGENCY KIT: The AstroAI S8 Ultra portable car jump starter is more than just a jump starter; it serves as a safe and reliable tool for roadside emergencies. It takes just minutes to restart your car and includes a built-in integrated flashlight with 3 light modes, making nighttime operation easy.