Mini compressors in the test (2022) – How To Cars

Apart from the two total failures of Dunlop and Vonroc, all tested devices are at least suitable as a mobile emergency nail for flat tires. The remaining 12-volt compressors can be divided into analogue and digitally controlled systems. The latter usually offer a print preselection. If this is reached, the compressor switches itself off. The exception is the Black+Decker, which does this according to the instructions, but not in the practical test. Analog devices cannot do that, and the manometer is not illuminated. This can be quite impractical in the dark. They’re more for home garage control. Nice extra: screw-on needles for balls or swimming aids

The type of hose connection falls into the category of taste: With union threads, such as those used in devices from Mannesmann, Amazon or Autder, some air is lost when screwing it on and you get your fingers dirty because you keep unscrewing it with your hand hits the rim. But they don’t slip off the valve, which often happens with the alternative clamping levers (e.g. Black+Decker, Michelin, Merece).

Anyone who already knows at the time of purchase that the device will be used more often is well advised to go with the long-running models from Heyner or Black+Decker – or grab the Mannesmann compressor, which seems to be designed for a particularly long service life. If the compressor is to disappear in the car in order to provide quick and easy help in the event of a pressure drop, a bag makes sense so that the luggage compartment stays tidy and no parts get lost.

The following applies to all tested devices: In order to be able to enjoy a 12-volt compressor for a long time, the maximum service life and the rest phase should be observed. Otherwise the device may be damaged.

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