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Fanttik X9 Cross 4X Portable Tire Inflator featured image

Fanttik X9 Cross 4X Portable Tire Inflator Instruction Manual

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Fanttik X9 Cross 4X Portable Tire Inflator

Fanttik X9 Cross 4X Portable Tire Inflator product image

SAFETY WARNINGS

  • This product is not a toy and should not be used by children. Users should be above 16 years old.
  • Keep a safe distance between children and the pump while inflating. There is a built-in lithium battery inside the product. Don’t place the product in a fire or dump the battery.
  • Overheating, damage, or water may increase the risk of fire or explosion. It’s best to keep the product away from heat sources and not leave it for prolonged periods in a hot car.
  •  Please store the product at a temperature ranging from -10-50°C. Extremely hot or cold environments may damage the battery and shorten the lifetime of the pump.
  • Long-time storage of the product may decrease the effectiveness of the battery. Charge the pump at least once every three months to maintain its performance.
  •  The product has a built-in DC motor, which may generate sparks during operation. Do not use it in an environment with dust or gas liable to explode.
  • If there is an unusual noise or the temperature becomes very high during inflation, please turn off the pump immediately.
  •  Before setting the inflation pressure value, make sure the pressure unit is correctly selected. Mixing up psi and bar could lead to dangerous over-inflation. Unit conversion: 1 bar 14.5psi, 1 bar 1 00kPa.
  • Do not leave the pump unattended while it is in operation.
  • Please use the product in a dry and clean environment. Don’t wash the product with water.
  • After running for a long time, the temperature of the junction between the air tube and the main body can become very high. To avoid burns, avoid touching it.
  • To avoid injuries from bursting items due to over-inflation, make sure you are aware of the maximum inflation pressure before you start.
  • we recommend placing the pump on a flat, hard surface, for example, on top of your SUP. So as to avoid anything from blocking the inlet or outlet.
  • Do not move the hose or air pump during the inflating process to avoid air leaks.
  • Please connect the hose to the deflation valve when using the deflation mode.
  • If sand is sucked into the air pump. Please stop pumping at first, then open the rubber plug on the air pump and pour out the sand. After that, you can continue to use it.
  • The air pump cannot automatically stop inflating in blower mode. You need to press the start/stop button to stop inflating.

ACCESSORIES

Fanttik X9 Cross 4X Portable Tire Inflator 1

*Carefully check the package contents. If anything is missing or damaged, please contact customer support.

PRODUCT OVERVIEW

Fanttik X9 Cross 4X Portable Tire Inflator 3

  1. 1 nflate port
  2. Light
  3. Deflate port
  4. Battery Level Indicator
  5. Target Pressure Value
  6. Real-time pressure value
  7. Present Unit
  8. Inflate icon
  9. Deflate icon
  10. Preset mode
  11. High temperature protection
  12. + Button
  13. Light On/Off Button
  14. – Button
  15. Mode Button
  16. Start/Stop Button
  17.  input/output port
  18. Heat dissipation vent

Fanttik X9 Cross 4X Portable Tire Inflator 2

Note: It is normal for the product to stop working when the temperature protection icon is on, and it could continue to be used when the temperature drops, while the icon disappeared. (The product will not charge when the high temperature icon is on.)

HOW TO USE

  1. Battery Level Indicator
    Battery Level Indicator
    The battery level is shown by four bars

    • Fanttik X9 Cross 4X Portable Tire Inflator 41 bar = under 25%
    • Fanttik X9 Cross 4X Portable Tire Inflator 52 bars = between 25% and 50%
    • Fanttik X9 Cross 4X Portable Tire Inflator Instruction Manual | ManualsLibraryy3 bars = between 50% and 75%
    • Fanttik X9 Cross 4X Portable Tire Inflator 7 4 bars = between 75% and 100%
      Note: The battery indicator will flash when the battery level is below 10%.
  2. Charging
    Fully charge the air pump before using it for the first time. Connect the charging cable to the PD30W power adapter(not included) to charge the air pump. (The pump will automatically shut down after 3 minutes of being fully charged.) (The pump cannot be used during charging.)
  3. Turn on/ off
    1. Turn on: press and hold the start/stop button to turn the air compressor on.
    2. Turn off: Press and hold the start/stop button while the air compressor is turned on. The pump will automatically turn off after 3 minutes of inactivity.
      NOTE: The product will not automatically shut down when the light is on.
  4. Connecting the High-pressure Air Hose and NozzleFanttik X9 Cross 4X Portable Tire Inflator 9 Fanttik X9 Cross 4X Portable Tire Inflator 10
  5. Detecting Air Pressure
    The current air pressure will automatically be displayed after the high-pressure air hose is connected to an item while the air pump is turned on. (Detecting pressure range: 0-75PSI}
  6. Switch unitsFanttik X9 Cross 4X Portable Tire Inflator 11
    Long-press the mode button for 3 seconds to switch pressure units(KPA, BAR, PSI).
  7. Switch Preset Mode
    Press the mode button to switch between the 5 preset modes and manual mode below. Manual Mode: There’s no icon on the left side of the display, and the air pressure can be specified by the user and will be saved. Adjustable range: 3-75PSI
    Fanttik X9 Cross 4X Portable Tire Inflator 12SUP Mode: Default 15PSI. Adjustable Range: 3-28PSI
    Fanttik X9 Cross 4X Portable Tire Inflator 13Deflating mode: Constant deflating
    Fanttik X9 Cross 4X Portable Tire Inflator 14Ball Mode: Default 8PSI. Adjustable Range: 3-16PSI
    Fanttik X9 Cross 4X Portable Tire Inflator 15Blower Mode: Constant inflating
    Fanttik X9 Cross 4X Portable Tire Inflator 16Car Mode: Default 35PSI. Adjustable Range: 26-75PSI
    Fanttik X9 Cross 4X Portable Tire Inflator 17Manual mode: Default 45PSI. Adjustable Range: 3-75PSI
    Note:

    1.  The air pump will switch to a pressurized state, and the sound will become louder when the pressure reaches 2PSI. This is normal and not a problem with the air pump. On SUP Mode
    2. Please connect the hose to the deflation valve when using the deflation mode.
    3. The air pump cannot automatically stop inflating in blower mode. You need to press the starVstop button to stop inflating.
    4. The air pump will stop inflating after being rained in Deflation mode.
    5. The pressure value can be stored in memory when the pump is in manual mode.
  8. Adjusting the Preset PressureFanttik X9 Cross 4X Portable Tire Inflator 18
    After selecting a mode, press + or – to increase or decrease the preset pressure value. Press and hold the + or- button to quickly adjust the pressure value. (Press the +/ -button once to increase/decrease 0.5PSI between 0-20PSI; 1 PSI between 20-75PSI.)
  9. LightFanttik X9 Cross 4X Portable Tire Inflator 19
    Press the light on/off button to switch between light on, SOS light, and light off when the air pump is on. (The lights will turn off after 30 minutes if there is no operation.)
  10. lnftatingFanttik X9 Cross 4X Portable Tire Inflator 20
    • Start inflating: Press the start/stop button to start inflating. The current pressure is displayed in real-time while inflating.
    • Stop inflating: Once the preset pressure value has been reached, the air compressor will automatically stop inflating. The air compressor can also be manually stopped at any time while inflating by pressing the start/stop button once.
      Note:
      To avoid injuries from bursting items due to over-inflation, make sure you are aware of the maximum inflation pressure before you start. The air pump cannot automatically stop inflating in blower mode. You need to press the start/stop button to stop inflating.
  11. Power Bank Function
    This air pump can be used as a power bank (PD30W) when it is not being charged or inflating other devices. The battery needs to have a reasonable level of charge in order to work as a power bank.
    Note:
    The air pump should be turned on when being used as a power bank. When being used as a power bank, the air pump will enter “Energy Saving” mode if inactive for 3 minutes, and the screen will only display the battery level icon. In energy-saving mode, when disconnecting the charged device from the air pump, it will automatically turn off.

SPECIFICATIONS

Fanttik X9 Cross 4X Portable Tire Inflator 21

TROUBLESHOOTING

We recommend placing the pump on a flat, hard surface, for example, on top of your SUP. So as to avoid anything from blocking the inlet or outlet.Fanttik X9 Cross 4X Portable Tire Inflator 22

If sand is sucked into the air pump.Please stop pumping at first, then open the rubber plug on the air pump and pour out the sand. After that, you can continue to use it.Fanttik X9 Cross 4X Portable Tire Inflator 24 Fanttik X9 Cross 4X Portable Tire Inflator 23

Fanttik X9 Cross 4X Portable Tire Inflator 25Fanttik X9 Cross 4X Portable Tire Inflator 25

WARRANTY CARD

  • Your Warranty Includes. 12-Month Coverage
    Within 12 months of purchase, we will provide timely and effective online after-sales service. We will repair or replace any defective product (due to a manufacturing fault) within the warranty period.
  • Return Details
    In order to process your return as quickly as possible, we require the following information. Please fill out this form and include it in your return package.

Fanttik X9 Cross 4X Portable Tire Inflator 26

For more manuals by Fanttik, visit ManualsLibraryy

Fanttik X9 Cross 4X Portable Tire Inflator-FAQs

Is the Fanttik X9 Cross 4X a portable tire inflator?

Yes. The Fanttik X9 Cross 4X is a compact, cordless portable tire inflator designed for cars, bikes, motorcycles, and sports equipment. It’s lightweight and easy to store in your vehicle.

How fast can the Fanttik X9 inflate a car tire?

The Fanttik inflator can top up a standard car tire from 28 PSI to 33 PSI in about 35 seconds, thanks to its high-efficiency motor.

How do I charge the Fanttik X9 Cross 4X?

Charging is simple: Plug the USB-C end of the cable into the inflator.

How do I use the Fanttik inflator on a car tire?

Attach the air hose to the tire valve, select the preset PSI mode, start inflation, and the device will automatically stop once it reaches the target pressure.

Is it safe to drive with low tire pressure?

No. Low pressure affects control, fuel economy, and tire lifespan. Drive slowly and inflate your tires as soon as possible.

What is the recommended tire pressure for most cars?

Most cars require 30–35 PSI, but always check the sticker inside your driver’s door or your vehicle manual for the exact value.

Is 40 PSI too high for a car tire?

For many passenger cars, yes—40 PSI is higher than recommended. It may be acceptable for heavier vehicles, but always follow your manufacturer’s guidelines.

What is the 3% tire rule?

When replacing tires, the new tire’s diameter should not differ by more than 3% from the original size to maintain accurate speed readings and safe handling.

Can a portable tire inflator replace an air compressor?

A portable inflator like the Fanttik X9 is ideal for topping up car tires and small items. For heavy-duty tasks requiring high airflow, a full air compressor is better.

Can tyre inflators damage tires?

Only if used incorrectly. Overinflating, using the wrong valve type, or choosing an incompatible inflator can potentially damage tires.

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