1. Introduction
Thank you for choosing the GOOLOO A3 Portable Jump Starter and Air Compressor. This device is designed to provide reliable emergency jump-starting for your vehicle, inflate tires, and serve as a portable power bank and LED light source. Please read this manual thoroughly before use to ensure safe and optimal operation. Keep this manual for future reference.
2. Safety Information
Always observe the following safety precautions when using the GOOLOO A3:
- Do not operate the device if it is damaged.
- Ensure proper polarity when connecting the jumper cables to the vehicle battery. Incorrect connection can cause damage or injury.
- Do not jump-start a frozen battery.
- Keep the device away from children.
- Use the device in a well-ventilated area.
- Avoid exposing the device to extreme temperatures or moisture.
- Remove the jumper clamps from the vehicle battery within 30 seconds after a successful jump start.
- Do not use the device to charge the vehicle battery directly.
3. Package Contents
Verify that all items are present in your package:
- 1 x GOOLOO A3 Jump Starter with Air Compressor
- 1 x Smart Jumper Cable
- 1 x USB-A to USB-C Cable
- 1 x Carrying Case
- 1 x Pump Hose
- 1 x User Manual
- 5 x Air Nozzles

4. Product Overview and Features
The GOOLOO A3 is a versatile 5-in-1 device designed for automotive emergencies and outdoor activities. It combines a powerful jump starter, a tire inflator, a portable power bank, an LED flashlight, and an SOS emergency light.

Key Features:
- Powerful Jump Starter: Delivers 3000A peak current, capable of jump-starting 12V vehicles with up to 9.0L gasoline or 6.5L diesel engines. Features a 'BOOST' function for low-voltage batteries.
- High-Performance Tire Inflator: Integrated 150 PSI air compressor with 5 inflation modes (SUV, car, bike, ball, custom) and 5 different nozzles. Inflates a standard tire (205/55/R14) in approximately 1 minute. Offers 45 minutes of continuous wireless inflation on a full charge.
- Portable Power Bank: Equipped with USB-C input (5V-2A) and USB-A output (5V/2.4A) ports to charge various electronic devices like smartphones, tablets, and drones.
- Multi-mode LED Flashlight: Features a 400-lumen LED light with Normal, SOS, and Strobe modes for illumination and emergency signaling.
- Advanced Safety Protection: Built-in Battery Management System (BMS) provides 10 types of protection, including short-circuit, overcurrent, reverse polarity, overheat, and overcharge protection.
- Smart LED Display: Ultra-bright LED screen displays battery level, preset and real-time tire pressure, inflation mode, and tire pressure units (BAR/PSI/KPA).


5. Setup and Charging
Before first use, fully charge the GOOLOO A3. It is recommended to recharge the device every 3-6 months to maintain battery health, even if not in use.
Charging the Device:
- Connect the provided USB-A to USB-C cable to the USB-C input port on the GOOLOO A3.
- Connect the other end of the USB cable to a suitable USB wall adapter (not included) or a car charger.
- The LED display will show the charging status. The device is fully charged when the battery indicator shows 100%.
6. Operating Instructions
6.1. Jump Starting a Vehicle
Use this function to jump-start a dead 12V vehicle battery.
- Ensure the GOOLOO A3 is sufficiently charged.
- Insert the smart jumper cable plug completely into the jump start port on the GOOLOO A3. The red and green lights on the smart clamp will flash alternately.
- Connect the red (+) clamp to the positive terminal of the vehicle battery.
- Connect the black (-) clamp to the negative terminal of the vehicle battery.
- Once connected correctly, the green indicator light on the smart clamp will turn solid green, and a click sound may be heard. If the battery voltage is very low, press the 'BOOST' button on the smart clamp.
- Start your vehicle's engine within 30 seconds.
- Once the vehicle starts, immediately remove the jumper clamps from the vehicle battery and then from the GOOLOO A3.


6.2. Using the Tire Inflator
The integrated air compressor can inflate tires for cars, motorcycles, bicycles, and various sports balls.
- Connect the pump hose to the air outlet port on the GOOLOO A3.
- Attach the appropriate air nozzle to the pump hose and then to the item you wish to inflate (e.g., tire valve).
- Turn on the device. The LED screen will display the current pressure.
- Use the 'M' button to select the desired inflation mode (car, motorcycle, bicycle, ball, or custom). Adjust the target pressure using the '+' and '-' buttons.
- Press the power button to start inflation. The device will automatically stop once the preset pressure is reached.
- Disconnect the pump hose and store the device.



6.3. Using as a Portable Power Bank
The GOOLOO A3 can charge your electronic devices via its USB-A output port.
- Connect your device's USB charging cable to the USB-A output port (5V/2.4A) on the GOOLOO A3.
- The device will automatically begin charging your electronic device.

6.4. Using the LED Flashlight
The built-in LED flashlight offers multiple lighting modes for different situations.
- Press and hold the flashlight button to turn on the LED light in Normal mode.
- Press the flashlight button again to cycle through the modes: Normal > SOS > Strobe > Off.


7. Maintenance
Proper maintenance ensures the longevity and performance of your GOOLOO A3.
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the device in its carrying case in a cool, dry place away from direct sunlight.
- Recharging: Recharge the device every 3-6 months to prevent deep discharge and prolong battery life. The device has a standby time of up to 24 months.

8. Troubleshooting
If you encounter issues with your GOOLOO A3, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not jump start. | Incorrect clamp connection, low device battery, vehicle battery too deeply discharged. | Check clamp polarity. Recharge the GOOLOO A3. Use the 'BOOST' function if the vehicle battery is very low. |
| Tire inflator not working. | Hose not properly connected, incorrect pressure setting, device battery low. | Ensure hose is securely connected. Verify pressure settings. Recharge the device. |
| Device not charging. | Faulty USB cable or adapter, charging port obstruction. | Try a different USB cable and adapter. Check the charging port for debris. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | GOOLOO |
| Model Number | JS-506 |
| Peak Current | 3000A |
| Engine Compatibility | Up to 9.0L Gas, 6.5L Diesel |
| Air Compressor Pressure | Max 150 PSI |
| Battery Type | Lithium-polymer |
| Item Weight | 800 g |
| Product Dimensions (L x W x H) | 8 x 8 x 10 cm |
| Operating Temperature | -20°C to 60°C |
10. Warranty and Support
GOOLOO provides the following support for your product:
- Warranty: 18-month warranty from the date of purchase.
- Return Guarantee: 30-day unconditional return guarantee.
- Customer Support: Lifetime customer and technical support.
For further assistance, please contact GOOLOO customer service.






