🚗⚡ Jumpstart your drive, power your life — be the hero on every road!
The AstroAI S8 Ultra is a powerhouse 4000A jump starter with a massive 24000mAh battery, capable of reviving all gas and diesel engines up to 12L. Featuring smart jumper cables with automatic voltage detection and 10 advanced safety protections, it ensures a seamless and secure jumpstart experience. Its rugged IP65-rated design withstands water, dust, and drops, while multiple USB and DC ports double as a versatile power bank for your devices and car accessories. Complete with a built-in 3-mode LED flashlight, it’s the ultimate roadside emergency essential for every modern driver.
| Brand | AstroAI |
| Product Dimensions | 5.24"D x 10.31"W x 4.29"H |
| Item Weight | 2.13 Pounds |
| Amperage | 4000 Amps |
| Peak Output Current | 4000 Amps |
| Specification Met | IP65 |
| Manufacturer | AstroAI |
| OEM Part Number | S8 Ultra |
| Item Weight | 2.13 pounds |
| Item model number | S8 Ultra |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Manufacturer Part Number | S8 Ultra |
K**N
Quality product assure self-reliance
While we were driving, I knew we had to have something to start the suburban at the next location. I ordered it and got it by 4 AM the next morning at our new location, charged it for two hours, that’s how we got our car started with no assistance from . Truly an amazing product worth every penny.
S**O
I want to recommend it to others
It looks and functions well. It was heavy because the ampere was higher than I thought. After receiving it and using it in my car, it works well without any problems. I want to recommend it to others
T**Y
Very Fast
Was very happy with the performance of this product. Put air in all my 18” tires in about 13 minutes. Now I do not need my husbands help anymore. Would highly recommend this product.
A**R
GREAT JUMP BOX FOR THE MONEY.
For the value, I can start my diesel truck, it charges pretty quickly, I've used it in power outages to charge our phones and laptops. The jumpstart pack is sturdy, even if you drop it won't break. It has usb ports for devices, the all around value for the money and functionality, it was a great purchase. 10/10 would buy again.
A**R
Great
It was better than I expected
A**R
Reliable and very effective
I have only needed it once and so far, it has delivered just as advertised.Why did you pick this product vs others?:I learned about this from a friend.Ease of use:Very easy to use. No rocket science here.Compactness:Very compact and easy to store.Jump start:Worked instantly with my Prius.
N**H
Whatever
Nice and compact good backup to carry with you
F**N
So far so good
So far I like it seems like it’s pretty heavy duty
Trustpilot
1 month ago
1 day ago
