AstroAI S8 Ultra Battery Jumper Starter Portable

Inspired by innovations and our 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, our 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, perfectly for every trip. Equipped with multiple ports (5 V/9 V/12 V output USB-A port, 5 V/2.4 A output USB-A port, Type-C in/out port, 15 V DC port), this jump starter is a versatile power bank that charges various electronic devices and powers DC car accessories. Power anything from car vacuum cleaners to cellphones with the S8 Ultra Jump Starter.

The jump starter battery pack was carefully designed to make jump starting vehicles an efficient and safe process. The smart battery indicators ensure ease of use while its high-quality internals ensure powerful performance. The S8 Ultra car jumper starter portable features a powerful 4000 A current and a 24000 mAh battery capacity, along with a 45 C discharge rate. It can boost up to 10 L gas and 8 L diesel engines, even when fully drained.

This car jump starter includes smart jumper cables with intuitive indicators, providing a safe and seamless user experience. The car starter automatically analyzes the battery's voltage to deliver the appropriate boost. For batteries at 9-12 V, it will automatically jumpstart them after the jumper cable is connected. When the batteries are below 9 V, the S8 Ultra will prompt you to press the Boost Button, quickly jump starting fully-drained batteries.

The S8 Ultra car battery jump starter provides 10 comprehensive safeties, 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 roadside car emergency kit. The built-in integrated flashlight can makes nighttime operation easy with its 3 light modes.

The AstroAI S8 Ultra portable car jump starter can pack a punch, reviving cars in less than a minute, using as a safe and reliable tool to help you take risks.

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