









⚡ Power up your ride and your life — never get stranded again!
The AstroAI S8 Ultra is a compact yet ultra-powerful 4000A car jump starter designed to revive all gas engines and diesel engines up to 12L. Featuring smart jumper cables with automatic voltage detection and 10 comprehensive safety protections, it ensures a safe, seamless jump-start every time. Beyond jump-starting, it doubles as a portable 12V power bank with USB and Type-C ports to charge your devices on the go. Built tough with IP65 waterproof, dust-proof, and drop-proof ratings, plus a versatile 3-mode LED flashlight, it’s the ultimate all-weather roadside emergency companion for professionals who demand reliability and efficiency.




| Brand | AstroAI |
| Product Dimensions | 5.24"D x 10.31"W x 4.29"H |
| Item Weight | 1.79 Pounds |
| Amperage | 4000 Amps |
| Peak Output Current | 4000 Amps |
| Specification Met | IP65 |
| Manufacturer | AstroAI |
| Item Weight | 1.79 pounds |
| Item model number | S8 Ultra |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Manufacturer Part Number | S8 Ultra |
| OEM Part Number | S8 Ultra |
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