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.
Amazon $59.99The AstroAI S8 Air is the better jump starter overall, rated 3.7 to 3.5. The AstroAI S8 Air leads on warranty and value. The Clore Jump-N-Carry JNC305 wins on features. The AstroAI S8 Air costs $12.25 less ($59.99 vs $72.24).
For drivers of four- and six-cylinder cars who want a cheap, sturdy pack from a pro tool brand. Those in very cold places should pick a pack rated below 0 °F.
Amazon $72.24Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the AstroAI S8 Air for warranty (2-year warranty vs 1-year warranty) and value ($59.99 for its size vs $72.24 for its size).
- Choose the Clore Jump-N-Carry JNC305 for features (manual override, rated to 0 °F, USB-C charging vs rated to -4 °F).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cars and suvs jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | AstroAI S8 Air | Clore Jump-N-Carry JNC305 |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Value 40% | 82 $59.99 for its size | 71 $72.24 for its size |
| Features 35% | 50 rated to -4 °F | 64 manual override, rated to 0 °F, USB-C charging |
| Capacity 15% | 42 37 Wh battery | 42 37 Wh battery |
| Warranty 10% | 50 2-year warranty | 0 1-year warranty |
Specifications
| AstroAI S8 Air | Clore Jump-N-Carry JNC305 | |
|---|---|---|
| Starting | ||
| Rated engines | 6 L gas, 3 L diesel | 6 L gas, 3 L diesel |
| Peak amps (maker) | 3,000 A | 1,000 A |
| Voltage | 12 V | 12 V |
| Manual override | - | Yes |
| Lowest operating temperature | -4 °F | 0 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 37 Wh | 37 Wh |
| Capacity (mAh) | 10,000 mAh | - |
| USB-C input | - | 10 W |
| USB outputs | - | USB-A 12 W |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | Yes | No |
| Weight | 2.4 lb | 2.2 lb |
| Warranty | 2 years | 1 year |
| Released | 2025-11 | 2024-08 |
