1. Introduction
This manual provides comprehensive instructions for the safe and efficient operation of your QKMPOM K7 Portable Tire Inflator. Please read this manual thoroughly before initial use and retain it for future reference. This device is designed for inflating tires on cars, motorcycles, bicycles, and various sports balls.
Key Features:
- Maximum Pressure: 180 PSI
- Fast Inflation: Up to 6 times faster than traditional pumps
- Dual Power Supply: Cordless (rechargeable battery) and 12V DC car power
- Automatic Shut-Off: Prevents over-inflation by stopping at preset pressure
- LCD Display: Real-time pressure monitoring and preset value display
- Integrated LED Light: Features Normal, SOS, and Emergency modes
- Power Bank Function: USB output for charging external devices
- Multiple Preset Modes: Car, Motorcycle, Bicycle, Ball, and Custom
2. Safety Information
To ensure safe operation and prevent damage, please observe the following safety guidelines:
- Read all instructions before using the device.
- Keep the device out of reach of children.
- Do not expose the inflator to water or extreme temperatures.
- Avoid over-inflating tires or other items. Always refer to the manufacturer's recommended pressure.
- Use the device in a well-ventilated area.
- Disconnect the air hose and power source when the device is not in use.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- The air hose may become hot during prolonged use. Handle with care.
3. Package Contents
Verify that all items listed below are included in your package:
- QKMPOM K7 Portable Tire Inflator (x1)
- Air Hose (x1)
- DC Cigarette Lighter Cable (x1)
- USB Charging Cable (x1)
- Atmospheric Nozzle (x1)
- Stingy Mouthpiece (x1)
- French Adapter (x1)
- Ball Needle (x1)
- Storage Bag (x1)
- User Manual (x1)

Image: All components included in the QKMPOM K7 Portable Tire Inflator package.
4. Product Overview
Familiarize yourself with the main components of your QKMPOM K7 Portable Tire Inflator:

Image: The QKMPOM K7 Portable Tire Inflator main unit and included accessories.
- LCD Digital Display: Shows current pressure, target pressure, battery level, and selected mode/units.
- Power Button: Press and hold to turn on/off. Press briefly to start/stop inflation.
- Mode Button: Cycles through preset inflation modes (Car, Motorcycle, Bicycle, Ball, Custom).
- Unit Button: Switches between pressure units (PSI, KPa, BAR, KG/CM²).
- '+' / '-' Buttons: Adjusts the target pressure value.
- LED Light Button: Activates and cycles through LED light modes (Normal, SOS, Emergency).
- Air Hose Port: Connection point for the inflation hose.
- USB-C Input Port: For charging the inflator's internal battery.
- USB-A Output Port: For using the inflator as a power bank.
5. Setup
5.1 Initial Charging
Before first use, fully charge the QKMPOM K7 Portable Tire Inflator. Connect the provided USB charging cable to the USB-C input port on the inflator and to a suitable USB power adapter (not included). The battery indicator on the LCD display will show charging status and full charge.
5.2 Connecting the Air Hose
Screw the flexible air hose securely onto the air hose port at the top of the inflator. Ensure it is tightened to prevent air leakage during inflation.
6. Operating Instructions
6.1 Powering On and Off
To power on the device, press and hold the power button for 2-3 seconds. The LCD display will illuminate. To power off, press and hold the power button again.
6.2 Connecting to the Item for Inflation
- Select the appropriate nozzle adapter for your item (e.g., Schrader valve for car/bike, Presta adapter for some bikes, ball needle for sports balls).
- Screw the chosen adapter onto the end of the air hose.
- Securely attach the nozzle to the valve stem of the item you wish to inflate. Ensure a tight seal to prevent air loss.

Image: The inflator's display showing preset modes and pressure units.
6.3 Selecting Inflation Mode and Pressure Units
- After powering on, the display will show the current pressure.
- Press the Mode Button to cycle through the preset modes: Car, Motorcycle, Bicycle, Ball, and Custom. Each mode has a default pressure range.
- Press the Unit Button to switch between pressure units: PSI, KPa, BAR, and KG/CM².
6.4 Setting Target Pressure
Once a mode is selected, use the '+' and '-' buttons to adjust the desired target pressure. The display will show both the current pressure and your set target pressure.
6.5 Starting and Stopping Inflation
- With the target pressure set and the hose connected, press the Power Button briefly to start inflation.
- The inflator will automatically stop once the target pressure is reached.
- To manually stop inflation at any time, press the Power Button briefly again.

Image: The inflator connected to a car tire, highlighting its fast inflation capability.
6.6 Dual Power Supply Operation
The QKMPOM K7 can operate cordlessly using its internal battery or by connecting to a 12V DC car cigarette lighter port. If the battery is low or for extended use, connect the provided DC Cigarette Lighter Cable to the inflator and your vehicle's 12V DC port.

Image: Illustration of the inflator's cordless and 12V DC power options.
6.7 Power Bank Function
The inflator features a USB-A output port (5V/2A) allowing it to function as a power bank. Connect your mobile phone or other USB-powered devices to this port for emergency charging.
6.8 LED Light Function
Press the LED Light Button to cycle through the following modes:
- Normal Light: For general illumination.
- SOS Mode: Flashes the international SOS signal (three short, three long, three short flashes).
- Emergency Mode: Rapid flashing for high visibility.

Image: The inflator being used as a power bank and its LED light modes for emergencies.
7. Maintenance
7.1 Cleaning
Wipe the exterior of the inflator with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the device is powered off and disconnected from any power source before cleaning.
7.2 Storage
Store the inflator in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided storage bag to protect the device and its accessories.
7.3 Battery Care
To prolong battery life, recharge the device periodically if it is not used for extended periods (e.g., every 3-6 months). Avoid fully discharging the battery frequently.
8. Troubleshooting
If you encounter issues with your QKMPOM K7 Portable Tire Inflator, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Device not charged | Fully charge the device using the USB cable. If using 12V DC, ensure connection is secure. |
| Inflator not inflating | Air hose not securely connected; Valve stem blocked; Target pressure set too low | Ensure air hose is tightly screwed onto both the inflator and the valve stem. Check valve stem for obstructions. Set target pressure above the current pressure. |
| Inaccurate pressure reading | Improper connection; Sensor error | Ensure the nozzle is securely attached to the valve stem. Compare reading with a known accurate pressure gauge. |
| Device overheats during use | Prolonged continuous operation | Allow the device to cool down for several minutes before resuming operation. Avoid continuous use for more than 10-15 minutes. |
| Battery not charging | Faulty USB cable/adapter; Charging port issue | Try a different USB cable and power adapter. Ensure the USB-C port is clean and free of debris. |
9. Specifications
| Feature | Specification |
|---|---|
| Brand | QKMPOM |
| Model Name | K7 |
| Maximum Operating Pressure | 180 PSI |
| Voltage | 12 Volts |
| Power Source | Battery Powered / 12V DC |
| Noise Level | 50 dB |
| Hose Length | 50 Centimeters |
| Item Weight | 1.83 pounds |
| Battery Type | Lithium Polymer (1 x 12V included) |
| Special Features | Automatic Shut-Off, Cordless, LCD Display, LED Light |
10. Warranty Information
The QKMPOM K7 Portable Tire Inflator is covered by a 2-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
11. Customer Support
For technical assistance, warranty claims, or any questions regarding your QKMPOM K7 Portable Tire Inflator, please contact QKMPOM customer service. You can typically find contact information through the platform where you purchased the product or by visiting the official QKMPOM website.





