AstroAI S8
#1 in Cars and SUVsFull review
A tiny, cheap starter for four- and six-cylinder cars. Fine as a glovebox backup, but not for trucks or V8s.
Amazon $42.19$42.19
3.7/5
A combined jump starter and tire inflator for small and mid-size cars. Good for drivers who want one compact roadside kit, not for trucks.
- 6 L gas, 3 L dieselEngines
- 2.4 lbWeight
Check price at Amazon$59.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Inflates tires as well as jump starting, so one tool covers both roadside problems
- Auto-off inflator stops at your preset pressure
- Screen readable in sunlight
- Works down to -4 °F
Cons
- Rated only for gas engines up to 6 L
- Override, charging and warranty details not published
- Heavier than a jump-only pack
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its engine size. How we rank explains each one.
Specifications
| Model number | S8 Air |
|---|---|
| Starting | |
| Rated engines | 6 L gas, 3 L diesel |
| Peak amps (maker) | 3,000 A |
| Voltage | 12 V |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium-ion |
| Capacity (mAh) | 10,000 mAh |
| Build | |
| Flashlight | Yes |
| Air compressor | Yes |
| Weight | 2.4 lb |
Alternatives in this engine size
Fanttik Potent T10
#3 in Cars and SUVsFull review
A stylish, very compact pack for cars and small SUVs up to 7 liters that doubles as a phone charger. Pick it for portability, not for big trucks or deep cold.
Amazon $89.99$89.99
NOCO Boost Plus GB40
#4 in Cars and SUVsFull review
For drivers of four- and six-cylinder cars who want a proven, compact pack to keep in the car. Owners of bigger engines should step up to a GBX55 or larger.
Amazon $99.95$99.95
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