• $169.99
  • Free 30-day Returns
  • Price alert
    Shop it at NeweggBusiness.

    S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable

    • ULTRA POWERFUL JUMP STARTING: The S8 Ultra jump starter delivers a powerful 4000A peak current and 45C discharge rate. This superior power reliably jump-starts all gas and up to 12L diesel engines, even when the battery is 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 batterys 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.
    +
    +
    Overview
    Specs
    Reviews
    avatar

    Any questions? Our AI beta will help you find out quickly.

    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: Featuring multiple ports, this jump starter doubles as a powerful portable charger for your devices. Keep your phones, tablets, and drones powered on the road with the S8 Ultra. (Wall charger not included. )
    CAREFULLY-CRAFTED DESIGNS: This jump starter is precision-engineered to make vehicle recovery both safe and efficient. Its intuitive battery indicators simplify operation, while high-grade internal components guarantee powerful, reliable performance every time.
    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.

    1 Ten Safety Protections
    2 Dust/Drop/Water Proof
    3 Extreme Weather Ready
    4 Compact & Portable Design
    1 Long-Lasting Power Bank
    2 3 Modes Flashlight
    3 Heavy Duty Cables
    1 S8 ULTRA SPECIFICATIONS
    2 How to Use (Normal)
    3 How to Use (Boost)
    1 Great Gift Idea
    2 Package Includes

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
    • CONTACT

    Return Policies

    Manufacturer Contact Info

    LOADING...