For car owners who want the cheapest dependable set-and-forget pump to keep in the car. It isn’t built for large tires.
Amazon $30.39The AstroAI AIRUN H is the better tire inflator overall, rated 3.6 to 3.1. The AstroAI AIRUN H leads on warranty, airflow and value. The AstroAI AIRUN H costs $5.59 less ($30.39 vs $35.98).
For car owners who want a cheap set-and-forget pump for topping up tires. Larger tires need a faster compressor.
Amazon $35.98Prices were last checked October 22, 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 AIRUN H for warranty (2-year warranty vs 1-year warranty), airflow (35 L/min (maker) vs 26.9 L/min (maker)) and value ($30.39 vs $35.98).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 12 V plug-in tire inflator; a clear win is highlighted. How we rank explains each one.
| Factor weight | AstroAI AIRUN H | Slime 40047 Rugged Digital |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Value 35% | 83 $30.39 | 73 $35.98 |
| Airflow 30% | 38 35 L/min (maker) | 17 26.9 L/min (maker) |
| Features 20% | 65 auto shutoff, 100 PSI max; runs 15 min at a time | 70 auto shutoff |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
Specifications
| AstroAI AIRUN H | Slime 40047 Rugged Digital | |
|---|---|---|
| Inflating | ||
| Max pressure | 100 PSI | - |
| Airflow (maker) | 35 L/min | 26.9 L/min |
| Auto shutoff | Yes | Yes |
| Duty cycle | 15 min on | - |
| Power | ||
| Power | 12 V socket | 12 V socket |
| Power bank | No | No |
| Power cord | 9.8 ft | 10 ft |
| Build | ||
| Air hose | - | 24 in |
| Light | Yes | Yes |
| Dimensions | 8.4 x 6.8 x 3.9 in | - |
| Weight | 2.2 lb | - |
| Warranty | 2 years | 1 year |
