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Woot offers AstroAI S8 Ultra 4000A Car Jump Starter for $65.99 (orig. $109.99). Free shipping for Prime Members. Product Features: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 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: 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.
Category: Automotive
Posted on 29 May 2026, 08:37 AM
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