Portable Car Jump Starter for Up to 10.0L Gas & 8.0L Diesel Engines

Inspired by innovations and their own adventures, AstroAI was born with a mission to ensure the most adventurous experience possible. Whether you're gearing up for a road trip or planning an off-road ride, their rugged high-performance jump starters power you up for all of life's adventures.

To achieve "Power Beyond Compare", the durable S8 Ultra Jump Starter instantly starts fully-drained batteries with its 4000A capacity, making it perfect for every trip. This powerful jump starter is part of AstroAI's comprehensive product lineup, which includes the S8, 118, T8, MF139, and MF159 models.

The S8 Ultra Jump Starter boasts an impressive set of features. It has a powerful 4000A current and a 24000 mAh battery capacity, along with a 45C discharge rate, allowing it to boost up to 10L gas and 8L diesel engines, even when fully drained. The jump starter includes smart jumper cables with intuitive indicators, providing a safe and seamless user experience. It automatically analyzes the battery's voltage to deliver the appropriate boost, and can jumpstart batteries at 9-12V without any manual intervention.

For batteries below 9V, the S8 Ultra prompts the user to press the Boost Button, quickly jump-starting fully-drained batteries. This jump starter provides 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 also waterproof (IP 65), dust-proof, and drop-proof, making it a reliable companion in any situation.

The S8 Ultra is a versatile power bank, equipped with multiple ports (5V/9V/12V output USB-A port, 5V/2.4A output USB-A port, Type-C in/out port, 15V DC port) that allow it to charge various electronic devices and power DC car accessories, from car vacuum cleaners to cellphones.

Carefully crafted for efficient and safe jump-starting, the S8 Ultra features smart battery indicators and high-quality internals that ensure powerful performance. This roadside car emergency kit can revive cars in less than a minute, making it a safe and reliable tool to have on hand. A built-in integrated flashlight with 3 light modes also makes nighttime operation easy.

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