1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Neakhmer Portable Air Compressor. Please read this manual thoroughly before using the product and keep it for future reference.

Figure 1: Neakhmer Portable Air Compressor. This image displays the main unit of the portable air compressor, along with its power cable, air hose, and various nozzle attachments, including a spare fuse. A black carrying bag is also visible in the top right corner.
2. Safety Instructions
To ensure safe operation and prevent damage to the product or injury to yourself, please adhere to the following safety guidelines:
- This air pump is designed for small cars. It is not applicable to tires of RVs, off-road vehicles, pick-up trucks, trucks, and other large high-pressure tire vehicles.
- This product can only be used with a 12V DC power supply.
- Always start the vehicle's engine before inserting the power cord into the cigarette lighter socket. This prevents draining the vehicle's battery.
- Do not use this pump for high-pressure or high-volume applications, such as large truck tires or inflatable swimming pools.
- Avoid continuous operation for more than 30 minutes. Allow the unit to cool down for at least 10 minutes after each 30-minute cycle to prevent overheating.
- Keep the device away from water and flammable liquids or gases.
- Do not leave the operating compressor unattended.
- Keep out of reach of children.
3. Product Features
The Neakhmer Portable Air Compressor offers a range of features designed for convenience and efficiency:
- Easy to Use: Simply plug into your car's 12V power outlet and attach the hose. The backlit LCD screen displays accurate tire pressure and is visible in dark conditions.
- Fast Inflation: Capable of inflating 195*55*R15 car tires to 35 L/min in approximately 5 minutes, and a 195/65R15 car tire from 0 to 35 PSI in about 6 minutes.
- Multiple Applications: Comes with 4 additional nozzles, making it compatible with car, bicycle, motorcycle, and SUV tires, as well as sports equipment like basketballs, footballs, buoys, and pool toys.
- Long Reach: Features a 0.48m (1.6 ft) air hose and a 3m (9.9 ft) power cord, providing sufficient length to comfortably reach all tires.
- Digital Pressure Gauge: Allows selection from four display units: KPA, PSI, BAR, and KG/CM².
- Integrated LED Light: Provides illumination for use in low-light conditions.
4. Package Contents
Upon opening the package, ensure all the following items are present:
- 1 x Neakhmer Portable Car Tire Inflator
- 1 x Spare Fuse
- 2 x Conical Air Nozzles
- 1 x Needle Adapter
- 1 x Schrader Valve Adapter
- 1 x User Manual (this document)
5. Setup
Follow these steps to set up your portable air compressor for use:
- Ensure your vehicle's engine is running. This provides stable power and prevents battery drain.
- Insert the 12V power plug of the compressor firmly into your vehicle's cigarette lighter socket.
- Unscrew the valve cap from the tire you wish to inflate.
- Screw the air hose connector onto the tire valve stem until it is securely fastened. Ensure there are no air leaks.
- If inflating items other than standard car tires (e.g., bicycle tires, sports balls), select the appropriate nozzle adapter from the package contents and attach it to the air hose before connecting to the item.
6. Operating Instructions
Once set up, follow these steps to inflate your tires or other items:
- With the compressor connected to the power source and the tire valve, the digital display will show the current tire pressure.
- Press the "R" button (or equivalent unit selection button) to cycle through the available pressure units: PSI, BAR, KPA, and KG/CM². Select your preferred unit.
- Use the "+" and "-" buttons to set the desired target pressure. Refer to your vehicle's owner's manual or the sticker on the driver's side door jamb for recommended tire pressures.
- Press the power button (often marked with "O/I" or a similar symbol) to start the inflation process. The compressor will begin to inflate the tire.
- The compressor is designed to automatically shut off once the preset pressure is reached.
- Once inflation is complete and the compressor has stopped, disconnect the air hose from the tire valve and replace the valve cap.
- Unplug the 12V power cord from your vehicle's cigarette lighter socket.
Note: If inflating multiple tires, allow the compressor to cool down for a few minutes between inflations, especially after prolonged use, to prevent overheating.
7. Maintenance
Proper maintenance ensures the longevity and optimal performance of your air compressor:
- Cleaning: Wipe the compressor's exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the device is unplugged before cleaning.
- Storage: Store the compressor in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided carrying bag for protection.
- Cord and Hose Inspection: Regularly inspect the power cord and air hose for any signs of damage, kinks, or wear. Do not use the compressor if any damage is found.
- Fuse Replacement: If the compressor stops working, check the fuse located in the 12V power plug. Replace it with the provided spare fuse if necessary. Refer to the diagram in the product packaging for fuse access.
8. Troubleshooting
If you encounter issues with your Neakhmer Portable Air Compressor, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor does not turn on. |
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| Compressor runs but no air inflates. |
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| Compressor overheats and shuts off. |
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| Inaccurate pressure reading. |
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9. Specifications
Detailed technical specifications for the Neakhmer Portable Air Compressor:
| Attribute | Value |
|---|---|
| Brand | Neakhmer |
| Model | NK230315S |
| Color | Black |
| Input Power | DC 12V |
| Maximum Current | 10A |
| Maximum Pressure | ≤ 120 PSI |
| Tire Gauge Accuracy | 35 ± 1.5 PSI |
| Continuous Working Time | 30 minutes |
| Air Hose Length | 0.5 m (1.7 ft) |
| Cigarette Lighter Cable Length | 3 m (9.9 ft) |
| Display Units | PSI, BAR, KPA, KG/CM² |
| Item Weight | 800 g |
| Product Dimensions (L x W x H) | 20 x 15 x 9 cm |
10. Warranty and Support
Neakhmer is committed to providing high-quality products. While specific warranty details are not provided in this manual, if you encounter any problems with your Neakhmer Portable Air Compressor, please do not hesitate to contact our customer support team.
Please retain your purchase receipt as proof of purchase for any warranty claims or support inquiries.
