Price: $139.99 - $69.97
(as of Sep 29, 2025 19:03:09 UTC – Details)
From the brand
ULTRA POWERFUL JUMP STARTING: 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 all gas and up to 12 L diesel engines, even when fully drained.
EASY TO USE: 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.
SUPERSAFE 12V JUMP BOX: 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.
WIDE COMPATIBILITY PORTABLE CHARGER: 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. Wall charger not included.
CAREFULLY-CRAFTED DESIGNS: 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.
ROADSIDE CAR EMERGENCY KIT: 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. A built-in integrated flashlight can makes nighttime operation easy with its 3 light modes.
Customers say
Customers find the jump starter works like a charm, particularly with Prius models, and appreciate its compact size and portability. The product is easy to use and offers good value for money, with one customer noting it doubles as a reliable travel power bank. Customers praise its functionality, with one mentioning it successfully started their F150 multiple times without needing recharging.
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