---
product_id: 703263937
title: "AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable"
brand: "astroai"
price: "VT32634"
currency: VUV
in_stock: true
reviews_count: 13
category: "Astro Ai"
url: https://www.desertcart.vu/products/703263937-astroai-s8-ultra-4000a-car-jump-starter-jump-box-up
store_origin: VU
region: Vanuatu
---

# 3000A peak jump power IP66 waterproof & rugged 12,000mAh high-capacity battery AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable

**Brand:** astroai
**Price:** VT32634
**Availability:** ✅ In Stock

## Summary

> 🚗⚡ Never get stranded again—power, safety, and style in your palm!

## Quick Answers

- **What is this?** AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable by astroai
- **How much does it cost?** VT32634 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/703263937-astroai-s8-ultra-4000a-car-jump-starter-jump-box-up)

## Best For

- astroai enthusiasts

## Why This Product

- Trusted astroai brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for Extremes:** IP66-rated waterproof, UV & impact-resistant PVC shell keeps you powered in any weather.
- • **Instant Power Surge:** 3000A peak current revives dead batteries in seconds, no more waiting around.
- • **Beyond Jump Starting:** Dual USB ports & Type-C power bank charge your devices on the go, plus a 3-mode LED flashlight for emergencies.
- • **Multi-Mode Safety Shield:** 10 advanced protections including spark-proof tech and reverse polarity guard for worry-free use.
- • **Engine Compatibility Master:** Jump starts up to 9.0L gas & 7.0L diesel engines—SUVs, trucks, motorcycles, and more.

## Overview

The AstroAI S8 Pro is a compact, ultra-powerful 3000A peak jump starter with a 12,000mAh battery, designed to jump-start vehicles with engines up to 9.0L gas or 7.0L diesel. Featuring IP66 waterproofing, rugged durability, and 10 safety protections, it ensures reliable performance in harsh conditions. It doubles as a portable power bank with USB-A and Type-C ports and includes a versatile 3-mode LED flashlight, making it an essential tool for modern drivers who demand convenience, safety, and peace of mind.

## Description

Product description SPECIFICATION

Review: Fantastic Charger - Works great! Jumped a neighbor’s dead battery quickly. Just make sure it’s charged and ready.
Review: Compact Powerhouse – Reliable Jump Starter with Extra Perks - I picked up the AstroAI S8 Ultra 4000A Jump Starter as a backup for my vehicle, and after a few weeks of testing it out, here’s what stood out: Performance: • This thing has serious muscle. I helped a stranded motorist with 5.3L V8 truck battery that was completely dead, and it didn’t hesitate. On paper, it’s rated for all gas engines and up to 12L diesel—and based on the kick it gave my truck, I believe it. • The jumper cables feel sturdy, with good clamping force and no noticeable heat build-up even after multiple test jumps. Design & Build: • Compact enough to store in a glove box or center console. It doesn’t feel cheap like big box stores jump packs, and the rubberized edges give some drop protection. • The LED light is bright enough for roadside use—think emergency hazard light or just finding your way under the hood at night. Battery & Ports: • The 24,000mAh capacity isn’t just for jump starts. I used it to recharge my phone, tablet, and even a laptop via the USB-C port. It supports fast charging, which is a plus if you’re out camping or on the road. • Having a DC output is handy if you need to power 12V accessories. Ease of Use: • Straightforward—plug in the jumper cables, connect, and press. The safety system warns you of incorrect polarity, which is a big deal for people who aren’t mechanically inclined. What I Liked Most: • Strong jump-starting ability (even on bigger engines). • Multi-use battery pack—basically a power bank + jump starter in one. • Solid build, portable size. What Could Be Better: • The carrying bag is functional but hard case would be better • The instruction manual is basic. A more detailed guide or QR link to a video would help first-time users. Add-on to consider for this is a 60w folding solar panel so you will never run out power TDLR: If you want peace of mind on the road, the AstroAI S8 Ultra is a smart buy. It’s not just a jump starter—it doubles as a reliable travel power bank. For the price, the features and raw power make it an excellent value.

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CB3W9FRD |
| Amperage | 4000 Amps |
| Battery Capacity | 16000 Milliamp Hours |
| Battery Cell Composition | Lithium Polymer |
| Battery Type | Lithium Polymer |
| Best Sellers Rank | #253 in Automotive ( See Top 100 in Automotive ) #3 in Jump Starters |
| Brand | AstroAI |
| Brand Name | AstroAI |
| Compatible with Vehicle Type | All of the above |
| Customer Reviews | 4.7 out of 5 stars 1,209 Reviews |
| Item Dimensions D x W x H | 5.24"D x 10.31"W x 4.29"H |
| Item Weight | 1.8 Pounds |
| Manufacturer | AstroAI |
| Manufacturer Part Number | S8 Ultra |
| Manufacturer Warranty Description | 24MONTHS |
| Model Number | S8 Ultra |
| Peak Output Current | 4000 Amps |
| Product Dimensions | 5.24"D x 10.31"W x 4.29"H |
| Specification Met | IP65 |
| Vehicle Service Type | All of the above |
| Voltage | 12 Volts |

## Product Details

- **Battery Cell Composition:** Lithium Ion
- **Brand:** AstroAI
- **Product Dimensions:** 7.33"D x 3.74"W x 1.74"H
- **Vehicle Service Type:** Passenger Car, Motorcycle, SUV, Tractor
- **Voltage:** 12 Volts

## Images

![AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable - Image 1](https://m.media-amazon.com/images/I/71T91pJMzZL.jpg)
![AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable - Image 2](https://m.media-amazon.com/images/I/71mL5EamyUL.jpg)
![AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable - Image 3](https://m.media-amazon.com/images/I/71TwW-wcPBL.jpg)
![AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable - Image 4](https://m.media-amazon.com/images/I/81w0yFGbIXL.jpg)
![AstroAI S8 Ultra 4000A Car Jump Starter, Jump Box up to All Gas Engines & 12L Diesel, 12V Portable Power Bank with USB/Type-C Ports, 3 Modes LED Flashlight, Auto Battery Booster with Jumper Cable - Image 5](https://m.media-amazon.com/images/I/91Qxggny1VL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fantastic Charger
*by S***E on April 27, 2026*

Works great! Jumped a neighbor’s dead battery quickly. Just make sure it’s charged and ready.

### ⭐⭐⭐⭐⭐ Compact Powerhouse – Reliable Jump Starter with Extra Perks
*by N***S on September 2, 2025*

I picked up the AstroAI S8 Ultra 4000A Jump Starter as a backup for my vehicle, and after a few weeks of testing it out, here’s what stood out: Performance: • This thing has serious muscle. I helped a stranded motorist with 5.3L V8 truck battery that was completely dead, and it didn’t hesitate. On paper, it’s rated for all gas engines and up to 12L diesel—and based on the kick it gave my truck, I believe it. • The jumper cables feel sturdy, with good clamping force and no noticeable heat build-up even after multiple test jumps. Design & Build: • Compact enough to store in a glove box or center console. It doesn’t feel cheap like big box stores jump packs, and the rubberized edges give some drop protection. • The LED light is bright enough for roadside use—think emergency hazard light or just finding your way under the hood at night. Battery & Ports: • The 24,000mAh capacity isn’t just for jump starts. I used it to recharge my phone, tablet, and even a laptop via the USB-C port. It supports fast charging, which is a plus if you’re out camping or on the road. • Having a DC output is handy if you need to power 12V accessories. Ease of Use: • Straightforward—plug in the jumper cables, connect, and press. The safety system warns you of incorrect polarity, which is a big deal for people who aren’t mechanically inclined. What I Liked Most: • Strong jump-starting ability (even on bigger engines). • Multi-use battery pack—basically a power bank + jump starter in one. • Solid build, portable size. What Could Be Better: • The carrying bag is functional but hard case would be better • The instruction manual is basic. A more detailed guide or QR link to a video would help first-time users. Add-on to consider for this is a 60w folding solar panel so you will never run out power TDLR: If you want peace of mind on the road, the AstroAI S8 Ultra is a smart buy. It’s not just a jump starter—it doubles as a reliable travel power bank. For the price, the features and raw power make it an excellent value.

### ⭐⭐⭐⭐⭐ Works great at low price
*by M***S on April 12, 2026*

This booster works great have jump started anything from a lawn tractor to pick up truck fast shipping great price good quality fast shipping

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**Shop now:** [https://www.desertcart.vu/products/703263937-astroai-s8-ultra-4000a-car-jump-starter-jump-box-up](https://www.desertcart.vu/products/703263937-astroai-s8-ultra-4000a-car-jump-starter-jump-box-up)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-12*