VEVOR 12V HS-661 Air Compressor with 1.6-Gallon Tank: specs and uses

The VEVOR HS-661 is a 12-volt air compressor sold as a kit with a 1.6-gallon steel tank and a pipe set. It is built to be mounted on a vehicle and to keep a reserve of compressed air ready, which is what air horns and quick inflation jobs need. VEVOR also lists tyre inflation and air mattresses among its uses.

What the tank kit includes

VEVOR describes the kit as an air tank, a compressor and a pipe set, with the motor running at 5,000 r/min. The idea of pairing a compressor with a tank is simple: the compressor fills the tank over time, and the stored air is then released quickly when you need it. A small compressor on its own delivers air slowly, while a tank lets a short burst, such as a horn blast, draw on the stored volume.

How the 90-120 psi range works

The compressor works within a 90 to 120 psi range. According to VEVOR, it starts filling automatically when pressure falls below 90 psi and stops once it passes 120 psi, which prevents over-pressure. This start-stop behaviour is typical of pressure-switch systems: the tank sits at a working pressure and tops itself up as air is used.

A pressure gauge lets you see the tank pressure at a glance. The kit also has fuses to protect the compressor and a drainage plug. Compressed air produces condensation, so most tank systems need the water drained from time to time, and a plug at the bottom is how that is usually done.

Build and heat protection

The tank and body are heavy-duty steel with an anti-rust coating, and VEVOR says the tank is tightly welded to limit leaks. A thick rubber cushion goes between the tank and the underside of the vehicle to reduce noise and keep the tank stable. The PA gas pipe is rated to withstand temperatures up to 120°C, and the motor has overload protection that responds at 100°C.

Vehicles shake and heat up, especially under the body, so the vibration cushion and heat limits matter more here than they would on a workshop compressor.

Power and vehicle compatibility

The kit runs from a 12V battery system, and VEVOR lists trucks, SUVs and boats among suitable vehicles. A compressor like this draws considerable current, so wiring, fuse size and cable thickness need to match the manual. If you are not confident with vehicle electrics, ask a qualified installer.

Size and weight

The unit measures about 13.0 x 5.5 x 7.9 inches (33 x 14 x 20 cm) and weighs 10.1 lb (about 4.6 kg). That makes it compact for a fixed installation, though you will still need a mounting spot that suits the tank and keeps the compressor clear of water and moving parts.

Who it suits

It suits people fitting an air horn system to a truck or SUV, and those who want a permanent air supply on board for inflating tyres or air mattresses. It is not a replacement for a workshop compressor for air tools, since a 1.6-gallon tank is small by that standard.

What to check before you buy

• Mounting space: measure the spot under or inside the vehicle for the tank and compressor.
• Electrical supply: confirm the wiring, fuse and battery connection the manual calls for.
• Your horn or accessory: check its air requirements and pressure range against 90-120 psi.
• Fittings: make sure the hoses and connectors suit what you plan to attach.
• Upkeep: plan to drain condensation from the tank as the manual describes.
• Local rules: some places limit the use of loud horns on public roads, so check them.

The short version

• A 12V compressor and 1.6-gallon steel tank kit, model HS-661, with a pipe set.
• Works between 90 and 120 psi, filling and stopping automatically.
• Gauge, fuses, drainage plug and motor overload protection at 100°C.
• Rubber cushion for noise and stability; about 10.1 lb.
• Intended for air horns, tyre inflation and air mattresses.

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