Which 12 V socket you'll actually use
This is a 12 V unit, and it runs from a cigarette lighter socket. So the first question isn't the tire, it's your socket. Does your vehicle's 12 V outlet stay live with the ignition off, and can it carry the current a compressor like this draws while it runs? Many modern cars cut that outlet when the key turns, which changes when and where you can inflate.
The four included adapters cover balls, bike tires, air mattresses and similar inflatables. We'd consider this for the garage and the driveway rather than the roadside. If your only 12 V outlet is buried under a console lid or behind a flap that crowds the plug, plan where the hose and cable will sit before you commit.
| Product detail | Value to match to your vehicle |
|---|---|
| Product | Mannesmann 01790 Mini Aluminium Compressor 12 V |
| Model | M01790 |
| Color | Aluminium |
What the pressure rating does and doesn't tell you
The spec sheet gives a 10 bar or 140 psi maximum, plus a working figure of 7 bar and 35 litres per minute of pumping pressure. Those numbers describe capability, not a diagnosis of anything wrong with your tire, ball or mattress. A compressor moves air. It doesn't tell you why something is losing air in the first place.
That distinction matters if you're buying this hoping to explain a slow puncture or a valve leak. Inflation is the supported job here, and a pressure gauge reading at the end of a fill still isn't a fault-finding tool. If you need to know why a tire won't hold, that's a separate check.
A compressor fills. It doesn't diagnose why something is losing air.
The 140 psi maximum is a ceiling, not a target for every inflatable you own.
What you pay and what it compares to
- Amazon price
- $79.33
- Customer rating
- 4.3
- Customer reviews
- 3405
- Typical price over 90 days
- $123.70
- Difference
- $44.37 (36 percent)
The current price is $79.33, against a typical price over the last 90 days of $123.70. That's a difference of $44.37, or about 36 percent below the recent norm.
It's worth saying plainly that a lower number here doesn't mean the unit does more than the specs claim. The saving is on the price, not on capability. Treat the 90 day typical figure as the comparison point, because that's what it is.
Power, hose reach and the plug itself
Before ordering, confirm three things. First, the run of your chosen 12 V outlet to the farthest thing you plan to inflate. Second, whether the cigarette lighter plug seats firmly in your socket, since a loose fit interrupts a job halfway through. Third, where you'll store a compressor this size so the cable and adapters stay together.
There's no mounting hardware implied by the spec list, so this is a loose unit you carry to the outlet. If you'd rather have something permanently wired, that's a different purchase. Nothing here tells us whether it ships with a case, so go by what you find in the listing when you order.
Who should take this one and who should wait
Buy this if you want one compact 12 V inflator for mixed odds and ends at home. Bike tires, balls and air mattresses are all named uses, and four adapters mean you're not hunting for the right nozzle. At $79.33 against a typical $123.70, the price is the reason to look now rather than later.
Skip it if your priority is diagnosing a tire that keeps going soft, or if you need a permanently installed setup rather than a plug-in unit. Check your outlet's behavior with the ignition off first, and confirm the hose reaches what you own.
Specifications
| Model | M01790 |
|---|---|
| Color | Aluminium |