AstroAI Car Jump Starter, Battery Jump Starter with Jumper Cables for All Gas Engines & 12L Diesel, Battery Booster Power Pack, 12V Jump Box with LED Light, Type-C/USB Quick Charge
AstroAI Car Jump Starter, Battery Jump Starter with Jumper Cables for All Gas Engines & 12L Diesel, Battery Booster Power Pack, 12V Jump Box with LED Light, Type-C/USB Quick Charge
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AstroAI Car Jump Starter, Battery Jump Starter with Jumper Cables for All Gas Engines & 12L Diesel, Battery Booster Power Pack, 12V Jump Box with LED Light, Type-C/USB Quick Charge

156 ratings

Key item features

  • Extreme Power: Delivers a 4000A peak current and 45C discharge rate, reliably jump-starting all gas engines and diesel engines up to 12L, even when fully drained.
  • Intuitive Operation: Equipped with smart jumper cables and intuitive indicators, it automatically analyzes battery voltage. It jump-starts 9-12V batteries automatically and uses a Boost Button for those below 9V.
  • Comprehensive Protection: Features 10 safety protections, including reverse polarity and overcurrent. It is also waterproof (IP65), dust-proof, and drop-proof for exceptional durability.
  • Versatile Charging: Serves as a powerful portable charger with multiple ports, providing quick power for phones, tablets, and drones, enhancing its utility on the go.
  • Roadside Ready: Includes an integrated flashlight with three light modes for emergencies and is engineered to revive vehicles swiftly, proving essential for nighttime and urgent situations.
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Specs

Battery capacity, 16000 mAhAmps, 4000 AAutomotive battery type, Lithium-Ion BatteryBrand, AstroAIPower type, BatteryCable length, 40 cm

About this item

Product details

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.
  • 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.
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Specifications

Battery capacity

16000 mAh

Amps

4000 A

Automotive battery type

Lithium-Ion Battery

Brand

AstroAI

Warranty

Warranty information

2-Year Warranty

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Warnings

Customer ratings & reviews

4.4 out of 5 stars
stars
156 ratings72 reviews
Includes global ratings and reviews
How item rating is calculated

Reviews summary

Pros

  • : The device operates with simple controls and clear instructions.
  • : The unit fits easily in a car for convenient transport.
  • : The unit starts vehicles instantly when required.
  • : The kit contains quality parts and matching accessories.

Neutral

  • : It offers side and strobe options but status lights can stick at four.
  • : Unit charges fast and holds power but can stop accepting charge.
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Showing 1-3 of 72 reviews

Oct 24, 2026
Reviewer name: Michael
Top Reviewer
Item details
Series: Pro (7L Gas/4L Diesel)
Sold byAstroAIDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Flawless Performance

Our Honda is rarely driven and so the battery is not continually charged. When the battery gets too weak for starting our car I use the AstroAI Jump Starter, and within seconds the Honda is up and running. It's a great product

Helpful?14QJ9Y9N8VH813241305300
Oct 9, 2026
Reviewer name: Marion
Item details
Series: Standard (6L Gas/3L Diesel)
Sold byAstroAIDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Better to have and not need,then not have and need

It showed up in record time. It looks good, well built and took its first charge with no problem. I just hope I never need it, but I have it if I do. AND the price was SUPER...

Helpful?14QJ9Y9N8VH813241305300
Sep 15, 2026
Reviewer name: Jacqueline
Item details
Series: Pro (7L Gas/4L Diesel)
Sold byAstroAIDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Buy this product

Outstanding product. Works great is easy to recharge and has features that are important and handy when broke down with a dead battery. Thinking these will make great Christmas gifts

Helpful?14QJ9Y9N8VH813241305300
Current price is Now $72.18
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was $139.99
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4.6 stars out of 5, based on 3154 seller reviews(4.6)
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