Product Overview
The Nilight Portable Air Compressor is a versatile and compact device designed for inflating various items, primarily vehicle tires. It features a digital display, auto-shutoff functionality, and LED lighting for convenience and safety. This model is equipped with a rechargeable battery for cordless operation.
Package Contents
- Portable air compress pump x1
- Type-C charging cable x1
- Inflation tube x1
- Bundled cloth bag x1
- Nozzles x3
- Instruction manual x1
Safety Information
- Read all instructions before use.
- Keep out of reach of children.
- Do not leave the inflator unattended while in operation.
- Ensure the correct pressure setting for the item being inflated to prevent over-inflation.
- The inflation hose and connector may become hot during prolonged use. Handle with care.
- This pump is NOT intended for use with high pressure or large volume applications like trucks, pools, and inflatable canoes.
Setup and Charging
The Nilight Portable Air Compressor (Model 50198A) is equipped with three rechargeable 4000mAh batteries, allowing for cordless operation.
Charging the Device
Connect the provided Type-C charging cable to the inflator and a suitable power source. The digital display will indicate charging status. Ensure the device is fully charged before first use for optimal performance.
Connecting to a Power Source (Optional/Alternative)
For models that can also be powered by a vehicle, connect the cigarette lighter adapter to your vehicle's 12V DC outlet. This provides continuous power without relying on the internal battery.
Video demonstrating the connection of the tire inflator to a car tire valve and initiating inflation. The device displays the current PSI and automatically stops when the preset pressure is reached.
A short video showing the tire inflator connected to a tire, displaying the current pressure, and the user pressing the power button to begin inflation. The device is shown to be compact and easy to handle.
Operating Instructions
Powering On
Press the power button (usually marked with a power symbol) to turn on the device. The digital display will illuminate.

Image of the Nilight Portable Air Compressor displaying "26.0 PSI" on its digital screen, indicating its readiness for use.
Selecting Pressure Units
The device supports 4 pressure measurement units: PSI, KPA, BAR, and KG/CM2. Use the designated button (often labeled 'R' or 'UNIT') to cycle through these units.
Setting Desired Pressure
Use the '+' and '-' buttons to adjust the target pressure. The digital display will show the selected value.

The digital display of the Nilight Portable Air Compressor showing the preset air pressure mode and barometric unit, ready for adjustment.
Connecting to the Item
Unscrew the valve cap from the item you wish to inflate. Securely attach the inflation tube to the valve stem.
Starting Inflation
Press the power button again to begin inflation. The device will display the real-time pressure.
Auto Shutoff
The air compressor will automatically stop once the preset pressure value is reached.
Disconnecting
Once inflation is complete, quickly disconnect the inflation tube from the valve stem and replace the valve cap.

A visual guide illustrating the four steps of using the inflator: connecting to the tire valve, choosing the inflation mode, setting the desired pressure, and waiting for the automatic shut-off.
LED Lighting
The inflator includes an LED light with backup light, warning light, and flashlight modes. Press the light button to cycle through these modes for use in dark environments or emergencies.

Close-up image of the Nilight Portable Air Compressor's integrated LED light, demonstrating its utility for illuminating the tire valve area in low-light conditions.
Applications
The Nilight Portable Air Compressor is suitable for a wide range of inflation needs.
- Inflates any Schrader valve on cars, SUVs, ATVs, motorcycles, and bicycles.
- Provided accessories can inflate balloons, sports balls, air pillows, cushions, and mattresses.

An illustrative diagram showcasing the wide range of applications for the portable air pump, from various vehicle tires to sports equipment and inflatables, along with recommended pressure settings for each.
Maintenance
Cleaning
Wipe the device with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
Storage
Store the inflator in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the hose and accessories are neatly stored in their designated compartments.

Image showing the compact Nilight Portable Tire Pump easily stored in a car's cup holder, highlighting its portability and convenient storage.
Troubleshooting
Device Not Turning On
- Ensure the battery is charged.
- If using a 12V DC connection, verify it is securely plugged into the vehicle's outlet and the vehicle's ignition is on (if required).
Not Inflating
- Check that the inflation tube is securely attached to both the inflator and the item's valve stem.
- Verify that the desired pressure is set above the current pressure.
- Ensure the device is powered on and the inflation process has been initiated.
Overheating
If the device becomes excessively hot, turn it off and allow it to cool down before resuming operation. Prolonged continuous use can cause overheating.
Specifications
| Feature | Detail |
|---|---|
| Brand | Nilight |
| Model Name | 50198A |
| Power Source | Battery Powered |
| Voltage | 12 Volts |
| Maximum Operating Pressure | 150 PSI |
| Air Flow Capacity | 19 Liters Per Minute |
| Special Features | Cordless, Digital, Portable |
| Item Weight | 1.3 pounds (0.59 Kilograms) |
| Material | Aluminum |
| Included Components | Portable air compress pump, Type-C charging cable, Inflation tube, Bundled cloth bag, 3 nozzles, instruction manual |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided in your product packaging or visit the official Nilight website. Keep your purchase receipt for warranty claims.
You can visit the Nilight Store on Amazon for more information and products.





