1. Safety Information
Please read and understand all safety information before using this product. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Always connect the red clamp to the positive (+) terminal and the black clamp to the negative (-) terminal.
- Do not touch the red and black clamps together.
- Do not jump start a frozen battery.
- Ensure the jump starter is fully charged before use for optimal performance.
- Keep out of reach of children.
- Do not expose the product to rain or moisture.
- Do not disassemble the unit. Refer servicing to qualified personnel.
- Use only the provided charging cables and accessories.
- When using the air compressor, do not over-inflate. Always check the recommended pressure for your item.
2. Product Overview
The GKFLY 4000A Car Jump Starter with Air Compressor is a versatile device designed for roadside emergencies and everyday convenience. It combines a powerful jump starter, a high-speed tire inflator, a portable power bank, and a multi-functional LED light.
Key Features:
- Powerful Jump Starter: 4000A peak current, capable of starting 12V vehicles with up to 7.0L gasoline engines and 5.5L diesel engines.
- 150PSI Air Compressor: Ultra high-speed inflation with built-in tire pressure detection, supporting PSI, KPA, BAR, and Kg/cm² units. Suitable for cars, motorcycles, bicycles, and balls.
- Portable Power Bank: 16000mAh battery capacity (or 59.2Wh) with USB (5V-2A) and Type-C (5V-2A) outputs for charging smartphones, tablets, game consoles, and other electronic devices. Features one-way fast charge.
- Multifunctional LED Light: Features three lighting modes: constant illumination, strobe, and SOS signal for emergencies.
- Robust Design: ABS anti-collision high-quality cover, fire prevention material, silver-plated matte texture, and anti-slip design. Independent air pump case to isolate temperature influence on the battery, multi-directional ventilation for fast cooling.
- Advanced Safety: Battery pack temperature sensor protection with a safe battery management system. Includes protections against reverse polarity, high temperature, short circuit, voltage stabilization, overcurrent, overvoltage, anti-magnetic field, and overcharge.
- Certifications: ROHS, FCC, CE.
3. Specifications
| Feature | Model GG-JS-K5 | Model GG-JS-963 |
|---|---|---|
| Size (L*W*H) | 210*108*57mm | 220*110*56mm |
| Product Weight | 700g | 720g |
| Battery Capacity | 16000mAh | 59.2Wh |
| No-load Voltage | 16V | N/A |
| Car Start Voltage | 12V | 12V |
| Peak Current | 4000A | 4000A |
| Type-C Input | 5V-2A | 5V-2A |
| USB Output | 5V-2A | 5V-2A |
| Cylinder Diameter | 22mm | N/A |
| Rated Pressure | N/A | 150psi |
| Operation Temperature | -20~60℃ | -20~60℃ |
| Cycle Life | N/A | ＞3000 times |
| Number of Built-in Batteries | 4 | 4 |
| Conversion Rate | ＞90% | ＞90% |
Note: Specifications may vary slightly between models GG-JS-K5 and GG-JS-963. Both models offer 4000A peak current and integrated air compressor functionality.
4. Setup
4.1 Initial Charging
Before first use, fully charge the jump starter. Connect the provided USB charging cable to the Type-C input port on the device and a suitable USB power adapter (not included). The digital display will indicate the charging status. A full charge ensures maximum performance and readiness for emergencies.
4.2 Package Contents
Verify that all items are present in your package:
- Multi-function Inflatable Jump starter (x1)
- Jump starting cable (x1)
- Valve connector (x3)
- USB charging cable (x1)
- User manual (x1)
- EVA tool bag (x1)
5. Operating Instructions
5.1 Jump Starting a Vehicle
This device is designed to jump start 12V vehicles with up to 7.0L gasoline engines and 5.5L diesel engines.
- Ensure the jump starter is sufficiently charged (at least 50% recommended).
- Connect the jump starting cable to the jump starter's output port.
- Attach the red (+) clamp to the positive terminal of the vehicle's battery.
- Attach the black (-) clamp to the negative terminal of the vehicle's battery.
- Once connected, the jump starter will automatically detect the battery.
- Start your vehicle.
- Once the vehicle starts, immediately remove the jump starting clamps from the car battery, then disconnect the cable from the jump starter.
5.2 Using the Air Compressor
The integrated 150PSI air compressor can inflate tires and other items quickly.
- Connect the braided air pump tubing to the air output port on the jump starter.
- Attach the appropriate valve connector to the tubing for the item you wish to inflate (e.g., car tire, bicycle tire, ball).
- Power on the device. The digital display will show the current pressure.
- Use the control buttons to set the desired pressure. The unit supports PSI, KPA, BAR, and Kg/cm².
- Press the start button to begin inflation. The compressor will automatically stop once the preset pressure is reached.
- Disconnect the tubing and valve connector from the item.
5.3 Portable Power Bank Function
The device can charge your electronic gadgets on the go.
- Connect your device's USB or Type-C charging cable to the corresponding output port on the jump starter.
- The jump starter will automatically begin charging your device.
- The 16000mAh battery capacity is sufficient for multiple charges of smartphones, tablets, and other small electronics.
5.4 LED Lighting Modes
The built-in LED light offers three modes for various situations:
- Lighting: Provides constant illumination for working in dark environments.
- Strobe: A flashing light mode for attracting attention.
- SOS: Emits the international Morse code signal for distress.
To activate and cycle through the modes, press the dedicated LED light button on the device.
6. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the jump starter in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided EVA tool bag for protection.
- Charging: For optimal battery life, it is recommended to fully charge the device every 3-6 months, even if not in use.
- Battery Care: The device uses a safer Polymer lithium battery. Avoid fully discharging the battery frequently.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not start | Low jump starter battery; Incorrect clamp connection; Severely discharged vehicle battery. | Ensure jump starter is fully charged. Check clamp connections (red to +, black to -). Try again after a few minutes. If vehicle battery is completely dead, it may require more attempts or professional assistance. |
| Air compressor not inflating | Hose not properly connected; Incorrect pressure setting; Item valve not sealed. | Ensure air pump tubing is securely connected. Check that the valve connector is tightly sealed to the item. Verify the desired pressure is set correctly. |
| Device not charging | Faulty USB cable or adapter; Damaged Type-C port. | Try a different USB cable and power adapter. Ensure the Type-C port is clean and free of debris. |
| LED light not working | Low battery; Malfunction. | Charge the device. If the problem persists, contact customer support. |
8. User Tips
Based on user feedback and common inquiries:
- Always keep the jump starter charged, especially before long trips, to ensure it's ready when needed.
- Familiarize yourself with the different inflation nozzles and their uses for various items.
- Store the device in its protective EVA tool bag to prevent damage.
9. Warranty and Support
For warranty information, technical support, or any questions regarding your GKFLY product, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
