AstroAI S8 Car Battery Jump Starter, Car Jumper Starter Battery Pack for Up to 6.0L Gas & 3.0L Diesel Engines, 12V Portable Jump Box with 3 Modes Flashlight and Jumper Cable (Red)
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Availability:
In Stock.
Arrives
Jun 2 – Jun 3
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Color: Red - 1500A (S8)
Features
- HIGH-PERFORMANCE JUMP STARTING - The car jumper starter portable pack has a 45C high-rate lithium battery and 37WH capacity that can start 6.0 L gas/3.0 L diesel engines and other 12 V vehicles like motorcycles, cars, SUVs, pickups, or lawnmowers.This jump starter's powerful 1500 A peak suit current quickly starts low-voltage and fully-drained batteries, stocking stuffers for men and women.
- ULTRA POWERFUL BOOST - The smart boost mode automatically detects the battery's voltage. When the voltage is less than 9 V, the indicator flashes green; this unlocks the "BOOST" button, which can be pressed to start fully-drained batteries.
- QUALITY METAL CLAMPS FOR IMPROVED PROTECTION - The safety metal clamps and smart jumper cable better protect the S8 Car Battery Jump Starter from excessive heat damage, loose ports, battery bulging, battery expansion, and more.
- COMPREHENSIVE SAFETY - This portable battery jumper starter has 8 integrated protections including reverse polarity, reverse connection, overcurrent, overvoltage, overload, overcharge, over discharge, and short circuit protection. Ensure your trip is safe and smooth.
- PORTABLE & COMPACT - With an overall size of 7.9*4.5*3.7" and a item weight of 0.95 lbs, it is very easy to store in a car or a travel bag. Compared with bulky lead-acid jump starters, this compact jump starter brings more convenience and peace of mind to your trip.
- 5-IN-1 MULTIFUNCTION - This device functions as a jump starter, portable power bank, and an LED flashlight with 3 modes (flashlight, strobe, SOS). The AstroAI Lithium Battery Jump Starter is your reliable, all-around trip companion here to gear you up for every adventure.
Brand: AstroAI
Battery Cell Composition: Lithium-Nickel Manganese Cobalt (NMC)
Voltage: 12 Volts
Product Dimensions: 4.5"D x 7.9"W x 3.7"H
Vehicle Service Type: Passenger Car, Motorcycle, Van, ATV, RV, UTV, Truck, Watercraft, Tractor
Battery Type: Lithium-Nickel Manganese Cobalt (NMC)
Voltage: 12 Volts
Compatible with Vehicle Type: Passenger Car, Motorcycle, Van, ATV, RV, UTV, Truck, Watercraft, Tractor
Battery Capacity: 1500 Amp Hours
Amperage: 1500 Amps
Peak Output Current: 1500 Amps
Item Dimensions D x W x H: 4.5"D x 7.9"W x 3.7"H
Item Weight: 0.79 Pounds
Brand Name: AstroAI
Manufacturer Part Number: S8
Manufacturer: AstroAI
Global Trade Identification Number: 99
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jun 2 – Jun 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Color: Red - 1500A (S8)
I purchased the AstroAI S8 Car Battery Jump Starter for my daughter’s first car, and honestly, it’s one of the best “parent purchases” I’ve made. Knowing she has a portable car jump starter in her trunk gives me real peace of mind, especially as a new driver still learning to handle unexpected situations. The AstroAI S8 jump starter battery pack is compact, lightweight, and easy to use—even for someone with zero car experience. We tested it at home, and the instructions were clear and straightforward. It’s impressive that this 12V portable jump box can handle engines up to 6.0L gas and 3.0L diesel, which means it’s more than capable for her car and even mine if needed. I also really appreciate the built-in 3-mode flashlight (flash, strobe, SOS). That feature alone makes it a great safety tool, especially if she’s ever stuck at night. The jumper cables feel sturdy and well-made, not cheap or flimsy like some others I’ve seen. The bright red design makes it easy to spot in the trunk, and the battery holds a charge well. This car battery jump starter is now something I recommend to every parent with a teen driver—or honestly, anyone who wants to avoid being stranded. Reliable, easy to use, and great value. The AstroAI S8 Car Jumper Starter Battery Pack is a must-have for first-time car owners and families alike. Highly recommend!
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Reviewed in the United States on December 27, 2025 by Jeff
Color: Red - 1500A (S8)
This portable jump starter has helped me out of more tough situations than I’d like to admit. Setup is straightforward, and most importantly, it works reliably every time I’ve needed it. Beyond jump-starting a dead battery, it also doubles as a useful emergency power bank. The ability to charge your phone in a pinch adds an extra layer of peace of mind, especially during roadside emergencies or long trips. I’ve personally used it with both a 2016 Honda Pilot and a 2022 Hyundai Palisade. Even though these are midsize SUVs, the unit handled them without any issues. That said, buyers with larger or heavy-duty vehicles may want to consider a more powerful model, as performance could be more limited in those situations. Overall, this is a dependable, easy-to-use emergency tool that offers great practicality and value for everyday drivers.
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Reviewed in the United States on March 23, 2026 by Carlos
Color: Red - 1500A (S8)
This thing is unfailable. Held charge for months. Battery went dead and got me out of a pinch in the first try. You do have to recharge after use. Highly recommended for the price.
Reviewed in the United States on March 23, 2026 by E$
Color: Red - 1500A (S8)
Just used it today for a coworker, I hooked it up wrong the initial time and told her to start the car, oops. Nothing, no drama, just a little green indicator telling me to reverse the connection. I connected the clamps correctly and it started right up. This unit is very nice and compact, extremely simple to use and obviously idiot proof for a person like me.
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Reviewed in the United States on February 26, 2026 by dlc
Color: Red - 1500A (S8)
Works good just remember to charge after each use !
Reviewed in the United States on January 13, 2026 by Charles P.
Color: Red - 1500A (S8)
The device is very easy to use. Charges pretty quickly. And is definitely versatile. Works as advertised. Charges the car pretty quickly. I used it on my 2017 Mercedes Benz c63 AMG. So it has enough power to jump a V8. DO NOT leave the clamps after charging the battery inside the device. It drained my power bank. I contacted the customer support they have arranged a replacement at no cost. Thank you very much. Great experience despite the error.
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Reviewed in the United States on March 5, 2026 by Pasha:S
Color: Red - 1500A (S8)
Been having some battery problems and needing to get my car jump started. Dealership hasn’t been able to replicate the problem so I’ve been on my own for now, which is why I decided to purchase this. I was at home the very first time I tried to use it, and it didn’t work, but that may have been user error on my end because I charged it again and then connected it to the car battery and it worked like a charm! The only thing I can think of is I had the order of operations wrong for connecting the cables the first time, so if you have issues that may be why. I have successfully used it twice now, once to jump my car (2016 Hyundai Sonata Hybrid) and then jump started a friend’s Honda civic. I’m definitely happy with this purchase and it gives me peace of mind.
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Reviewed in the United States on February 2, 2026 by Amazon Customer
Color: Red - 1500A (S8)
The AstroAI S8 Car Battery Jump Starter was so little I didn’t know if it would work or not. It was 75% charged and I didn’t have a very strong adapter with which to charge it and I had called the AAA driver to give me a jump start, but when I showed him the little AstroAI S8, he said let’s try it and see if it works. So he attached the jumper cables to the correct terminals on the battery, told me to jump in the car and try starting it, I did and amazingly it gave a boost of energy and the car started right away!!! I was very impressed and thankful!!!…….Relieved!!! The driver also pointed out to me to remember to press the Boost button!! It only used 25% of its capacity!! I bought a good wall adapter so that I could charge it in the house and that worked great as well. I charged it for about 3 hours and the charge is reading 100% now!!! The ASTRO AI S8 is a great piece of invention and engineering!!! Thank You!!!! Diane
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Reviewed in the United States on January 20, 2026 by Diane Newton