1. Introduction
Thank you for choosing the Featou 5500A Jump Starter with Air Compressor. This versatile device is designed to provide reliable emergency jump-starting for 12V vehicles, inflate tires, and serve as a portable power bank and emergency light source. It is suitable for vehicles with up to 9.0L gasoline engines and 7.5L diesel engines. Please read this manual thoroughly before use to ensure safe and optimal operation.

Image 1.1: The Featou 5500A Jump Starter with its included accessories, including jumper clamps, air hose, and charging cable.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the device and your vehicle.
- Do not immerse the device in water.
- Do not operate the device in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Keep the device away from children.
- Do not jump start a frozen battery.
- Ensure proper polarity when connecting the jumper clamps to the vehicle battery (Red to positive, Black to negative).
- Do not connect the positive and negative clamps together.
- Avoid prolonged use of the air compressor to prevent overheating. Allow it to cool down between uses.
- Store the device in a cool, dry place when not in use.

Image 2.1: The device features 10 comprehensive safety protections, including short-circuit, spark-proof, over-charge, over-load, over-voltage, over-current, high-temperature, low-temperature, reverse-polarity, and reverse-charge protection.
3. Package Contents
Verify that all items are present in your package:
- 1 x Featou Jump Starter with Air Compressor
- 1 x Intelligent Jumper Clamps
- 1 x Air Hose
- 4 x Nozzles (for various inflation needs)
- 1 x USB-A to USB-C Cable
- 1 x User Manual
- 1 x Anti-collision Storage Bag

Image 3.1: A visual representation of all components included in the product package.
4. Product Overview
Familiarize yourself with the various parts and functions of your Featou Jump Starter.

Image 4.1: This diagram highlights the Type-C Input, USB-A Output, Emergency Light, Digital Screen, Starting Power/Inflator Port, Air Pressure controls, Mode/Air Pressure Unit Adjust button, Emergency Light Mode button, Car Starting Interface, Air Pump Interface, and Air Nozzle Storage.
The device features an integrated storage compartment for air nozzles, ensuring they are always accessible and organized.

Image 4.2: The side of the jump starter unit showing the integrated storage for various air nozzles, preventing clutter and loss.
5. Charging the Device
Before first use, fully charge the jump starter. It also functions as an 18W fast charging power bank for your electronic devices.
- Connect the provided USB-A to USB-C cable to the Type-C input port on the jump starter.
- Connect the other end of the cable to a USB wall adapter (not included) or a powered USB port.
- The digital screen will indicate the charging status. Charge until the battery indicator shows full.

Image 5.1: The jump starter unit connected via its USB-A output port to charge a smartphone, demonstrating its power bank capability.
6. Jump Starting a Vehicle
The Featou 5500A Jump Starter can start 12V vehicles with up to 9.0L gasoline or 7.5L diesel engines.
- Insert: Insert the intelligent jumper cable plug into the car starting interface on the jump starter.
- Connect: Connect the red (+) clamp to the positive terminal of your vehicle's battery and the black (-) clamp to the negative terminal.
- Light Up: Wait for the LED indicator on the intelligent clamps to show a solid green light, indicating a correct and safe connection.
- Start: Start your vehicle's engine. Once the engine starts, immediately remove the clamps from the battery, then disconnect the jumper cable from the jump starter.

Image 6.1: Step-by-step instructions for jump-starting a vehicle: 1. Insert jumper cable, 2. Connect clamps to battery, 3. Confirm green LED indicator, 4. Start vehicle.

Image 6.2: The jump starter connected to a car battery, illustrating its capability to start dead batteries in seconds with 5500A peak current, suitable for various engine sizes.
7. Tire Inflation
The integrated air compressor can inflate tires up to 150 PSI and supports various inflation modes for cars, motorcycles, bicycles, and balls.
- Connect Air Pipe: Take out the machine, connect the air pipe to the air pump interface, and tighten it.
- Select Mode: Turn on the machine. Short press the 'M' (mode) button to select the corresponding inflation mode (Car, Motorcycle, Bike, Ball).
- Adjust Pressure: Press the '+' and '-' keys to adjust the preset air pressure value. You can also cycle through pressure units (KPA, BAR, PSI) by long-pressing the 'M' button.
- Start Inflation: Long press the power button to start inflation. The device will automatically stop when the preset pressure is reached.

Image 7.1: Step-by-step instructions for tire inflation: 1. Connect air pipe, 2. Select mode, 3. Adjust pressure, 4. Start inflation.

Image 7.2: The powerful cordless tire inflator in action, displaying real-time tire pressure and featuring an auto shut-off to prevent over-inflation. Supports BAR, KPA, and PSI units.
8. Power Bank Function
The Featou Jump Starter can also serve as a portable power bank to charge your electronic devices.
- Connect your device's charging cable to the USB-A output port on the jump starter.
- The jump starter will automatically begin charging your device.

Image 8.1: The jump starter unit connected via its USB-A output port to charge a smartphone, demonstrating its power bank capability.
9. Emergency Lighting
The device includes a built-in LED light with multiple modes for emergency situations.
- Flashlight Mode: Press the emergency light button once to turn on the steady flashlight.
- SOS Mode: Press the button again to activate the SOS signal mode (three short flashes, three long flashes, three short flashes).
- Strobe Mode: Press the button a third time for the strobe light mode.
- Press the button a fourth time to turn off the light.

Image 9.1: A person utilizing the 3-in-1 emergency lighting feature of the jump starter, showcasing its flashlight, SOS, and strobe modes in a dark outdoor setting.
10. Specifications
| Feature | Specification |
|---|---|
| Brand | Featou |
| Model | V2 |
| Product Dimensions | 1.9"D x 4.2"W x 7.5"H |
| Amperage | 5500 Amps |
| Peak Output Current | 5000 Amps |
| Item Weight | 2.86 pounds |
| Battery Type | 12V (included) |
| Max Air Compressor Pressure | 150 PSI |
| Gas Engine Compatibility | Up to 9.0L |
| Diesel Engine Compatibility | Up to 7.5L |
| Operating Temperature Range | -4°F to 158°F |

Image 10.1: The jump starter is designed to operate reliably in a wide range of temperatures, from -4°F in cold weather to 158°F in hot weather.
11. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
- Device not turning on: Ensure the device is fully charged. If not, connect it to a charger.
- Vehicle not starting:
- Check that the intelligent clamps are correctly connected to the battery terminals (red to positive, black to negative).
- Ensure the LED indicator on the clamps is solid green. If it's red or flashing, check connections or battery condition.
- The vehicle battery might be severely discharged or damaged. Consult a professional.
- Air compressor not inflating:
- Ensure the air hose is securely tightened to both the device and the tire valve.
- Check that the correct inflation mode and desired pressure are set.
- Verify the device has sufficient charge.
- Device overheating: Discontinue use and allow the device to cool down in a well-ventilated area. Avoid continuous operation for extended periods.
12. Maintenance
Proper maintenance ensures the longevity and performance of your jump starter:
- Cleaning: Wipe the device with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the device in its anti-collision storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
- Charging: For optimal battery life, charge the device every 3-6 months, even if not in use, to maintain its charge level.
- Accessory Check: Periodically inspect the jumper clamps, air hose, and nozzles for any signs of wear or damage. Replace if necessary.
13. Warranty and Support
Featou is committed to providing high-quality products and customer satisfaction. This product comes with a standard warranty against manufacturing defects. For specific warranty details, please refer to the warranty card included in your package or contact our customer support.
For technical assistance, troubleshooting, or any inquiries, please contact Featou customer support. Our team is available to assist you with any questions or concerns regarding your product.
- Online Support: 7x24 hours online support.
- Returns: 30-day hassle-free return policy.
- Quality Solutions: 24 months for quality problem solutions.





