1. Introduction
The GOOLOO GP4000 PRO is a powerful and versatile jump starter designed to quickly start dead vehicle batteries. It also functions as a high-capacity power bank and features a multi-mode LED flashlight. This manual provides essential information for safe and effective use, maintenance, and troubleshooting of your GP4000 PRO.
2. Safety Information
Your safety is paramount. The GP4000 PRO is equipped with 10 types of protection and constructed from military-grade fireproof material to ensure safe operation. Always read and follow all safety instructions before use.
2.1 Built-in Protections
The device incorporates the following safety features:
- Reverse-Charge Protection
- Reverse-Polarity Protection
- AI-Software Protection
- Over-Current Protection
- Over-Voltage Protection
- Over-Load Protection
- High-Temperature Protection
- Over-Charge Protection
- Short-Circuit Protection
- Low-Temperature Protection
2.2 Fireproof Material
The GP4000 PRO is made with ABS V0 military-grade fireproof material, ensuring zero sparks and 100% safety during operation.
2.3 General Warnings from User Manual
- Do not use or charge this unit anymore when it is over-heated or swollen to avoid accident.
- Do not attempt to disassemble the unit to avoid accident.
- Do not let this unit over-discharge, please charge it regularly. It would be best to be recharged every 3 months.
- Do not connect the jump starter's clamps to the battery reversely unless the "BOOST" button is to avoid accident.
- Do not jump start your car with less than 50% power status, make sure it's with more than 50% power before starting.
- Do not start the vehicle continuously for more than 4 times within 2 minutes. If the vehicle can't be started at one time, please wait at least 30s to restart it.
- Do not put it in high temperature or high moisture. Keep this unit away from children to avoid accident.
3. Package Contents
Please check the package for the following items:
- GOOLOO GP4000 PRO Jump Starter Unit
- Smart Jumper Cables with all-metal clamps
- USB-C Charging Cable
- DC Adapter
- User Manual
- Carrying Case
4. Setup
4.1 Initial Charging
Before first use, fully charge your GP4000 PRO. Connect the USB-C charging cable to the Type-C input port (5V/3A) on the jump starter and plug the other end into a suitable USB power adapter. The battery indicator lights will show the charging progress. Ensure the unit is fully charged for optimal performance.
4.2 Preparing for Jump Start
Ensure your vehicle's ignition is off. Check the battery level of the GP4000 PRO; it should be above 50% for effective jump starting. Locate your vehicle's battery and identify the positive (+) and negative (-) terminals.
5. Operating Instructions
5.1 Jump Starting a Vehicle
The GP4000 PRO can start all gasoline engines and diesel engines up to 10.0L. It operates effectively in temperatures from -20°C to 60°C (-4°F to 140°F).
- Connect the smart jumper cables to the GP4000 PRO unit.
- 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.
- Ensure the connections are secure. The indicator on the smart cable should show a solid green light, indicating a safe connection.
- If the vehicle battery voltage is extremely low, and the unit does not automatically initiate, press the "BOOST" button on the smart cable.
- Start your vehicle's engine.
- Once the vehicle starts, immediately remove the clamps from the car battery, first the black (-) clamp, then the red (+) clamp.
- Disconnect the smart jumper cables from the GP4000 PRO unit.
5.2 Power Bank Functionality
The GP4000 PRO features a 26800mAh battery capacity and multiple output ports:
- Dual USB Charging Output Ports: One port supports fast charging, allowing you to quickly charge smartphones, tablets, cameras, and other portable devices.
- 15V/10A DC Output: This port supports power for various 12V car accessories such as car mobile refrigerators, car vacuum cleaners, and air pumps.
5.3 LED Flashlight
The built-in 1W white LED flashlight offers multiple modes for various situations:
- Standard Illumination: Provides a bright light for general use.
- SOS Mode: Emits the international distress signal.
- Strobe Mode: Flashes rapidly for emergency signaling.
To cycle through the modes, press the flashlight button repeatedly.
6. Maintenance
6.1 Charging and Storage
The GP4000 PRO features a low self-discharge design, allowing it to hold a charge for up to 18 months. However, for optimal battery health, it is recommended to recharge the unit every 3 months, especially if not in regular use. Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
6.2 Cleaning
Wipe the unit with a soft, dry cloth. Do not use harsh chemicals or abrasive materials. Ensure all ports are free from dust and debris.
7. Troubleshooting
If you encounter issues with your GP4000 PRO, refer to the following common problems and solutions:
- Unit not turning on: Ensure the unit is charged. If completely drained, it may take a few minutes of charging before the indicator lights appear.
- Vehicle not starting:
- Check that the GP4000 PRO has at least 50% charge.
- Ensure clamps are securely connected to the correct battery terminals (red to positive, black to negative).
- If the smart cable indicator is not green, check connections or press the "BOOST" button if the battery is very low.
- Do not attempt to jump start more than 4 times within 2 minutes. Allow 30 seconds between attempts.
- Clamps sparking: This can occur if clamps are connected incorrectly (reverse polarity). The built-in protection should prevent damage, but always ensure correct connection.
- Unit overheating: Discontinue use immediately and allow the unit to cool down. Do not use or charge if the unit is swollen or excessively hot.
If problems persist, contact GOOLOO customer service for assistance.
8. Specifications
| Category | Specification |
|---|---|
| Brand | GOOLOO |
| Type | Jump Starter |
| Model | GP4000 PRO |
| Color | Yellow |
| Battery Capacity | 26800mAh |
| Peak Current | 4000A |
| Car Jump Start Output | 15V |
| Type-C Input | 15W (5V/3A) |
| USB2 Output | 5V/2.1A |
| DC Output | 15V/10A |
| Diesel Engine Rating | Up to 10L |
| Gasoline Engine Rating | All |
| LED Light Power | White: 1W |
| Working Temperature | -20°C to 60°C (-4°F to 140°F) |
| Product Weight | 0.82kg |
| Package Weight | 1.77kg |
| Package Size (L x W x H) | 23 x 10 x 3.8 cm |
9. User Tips
- Always keep the jump starter charged above 50% for emergency readiness.
- Store the unit in your vehicle for easy access during unexpected battery issues.
- Familiarize yourself with the LED flashlight modes (SOS, Strobe) for emergency situations.
- The 15V/10A DC output is excellent for powering camping accessories or car maintenance tools on the go.
10. Warranty & Support
For warranty information, technical support, or any product-related inquiries, please contact GOOLOO customer service. Refer to the contact details provided in your product packaging or on the official GOOLOO website.