1. Product Overview
The GOOLOO GT4000 is a powerful and versatile portable jump starter designed for a wide range of vehicles. It features 4000A peak current, 100W fast-charging capabilities, and advanced SuperSafe technology, making it an essential tool for automotive emergencies and on-the-go power needs.
Image: The GOOLOO GT4000 jump starter unit with its heavy-duty jumper cables attached, ready for use.
Key Features:
- Safe & Easy Jumpstarting: 3.2-inch LED screen for real-time status and 10 built-in protection technologies to prevent sparks and misoperation.
- Powerful Performance: Instantly jump-starts 12.0L gasoline or 10.0L diesel engines.
- Winter-Ready: Advanced pre-heating technology ensures reliable starts in extreme cold as low as -40°F.
- Super-Fast 100W Charging: Recharges from 0% to 100% in 1.2 hours with the included 100W car charger. A 5-minute charge provides enough power for a single car start.
- Multi-Functional Power Bank: Three USB ports (PD100W Type-C, Quick Charge, and 5V/2.4A) for charging phones, tablets, and laptops (e.g., MacBook).
- Emergency LED Light: 400-lumen LED light with SOS, spotlight, and strobe modes.
- Versatile DC Output: 15V/10A port for powering devices like tire inflators or inverters.
- Durable Design: IP65 water-resistant and 94V0 flame-retardant enclosure with a rugged rubber shell.
What's Included:
- GT4000 jump starter unit
- Heavy-duty jumper cables
- 100W car charger
- USB to Type-C cable
- Type-C to Type-C cable
- Cigarette lighter adapter
- Convenient storage bag
Image: All components included with the GOOLOO GT4000: the jump starter, jumper cables, various charging cables, car charger, and storage bag.
2. Safety Information
Always read and understand all safety information before using the GOOLOO GT4000 jump starter. Improper use can result in injury or damage to the device or vehicle.
Built-in Safety Protections:
The GT4000 incorporates 10 built-in protection technologies to ensure safe and protected operation:
- Over-Charge Protection
- Over-Current Protection
- Short-Circuit Protection
- Reverse-Polarity Protection
- AI Software Protection
- High and Low Temperature Protection
- Spark-Proof Protection
- Over-Voltage Protection
- Over-Load Protection
- Reverse-Charge Protection
Image: A visual representation of the ten safety protection features integrated into the GT4000's design.
General Safety Precautions:
- Do not attempt to jump start a frozen battery.
- Ensure proper ventilation when operating.
- Wear eye protection and gloves when handling batteries.
- Do not allow the positive and negative clamps to touch each other.
- Keep out of reach of children.
- Do not disassemble the unit.
3. Setup and Charging
Initial Charge:
Before first use, fully charge the GT4000. It can be fully charged in approximately 1.2 hours using the included 100W car charger or a compatible 100W wall charger (not included).
Image: The GT4000 jump starter connected to a car's cigarette lighter socket for charging using the provided 100W car charger.
Image: The GT4000 jump starter connected to a wall outlet for charging (wall charger not included).
Understanding the 3.2" LED Screen:
The integrated 3.2-inch LED screen provides real-time status updates and important information about the device's operation.
Image: Detailed view of the GT4000's LED screen, indicating battery level, low current mode, low temperature reminder, and charging power.
4. Operating Instructions
Jump Starting a Vehicle:
The GT4000 can jump-start 12V vehicles with up to 12.0L gasoline or 10.0L diesel engines.
- Ensure the GT4000 is sufficiently charged (at least 50% recommended).
- Connect the red (positive) clamp to the positive (+) terminal of the vehicle's battery.
- Connect the black (negative) clamp to the negative (-) terminal of the vehicle's battery.
- Ensure the clamps are securely attached and the LED screen displays "READY".
- Press the "BOOST" button on the GT4000 if the battery is completely dead or if the unit does not automatically detect the battery.
- Start your vehicle's engine.
- Once the engine starts, immediately disconnect the clamps from the vehicle battery, first the black (negative) and then the red (positive).
Image: A simplified two-step guide showing how to connect the jump starter and then start the engine.
Image: An illustration demonstrating the GT4000's capability to jump start various vehicles, including cars, motorcycles, SUVs, and motorboats, with engine sizes up to 12.0L gas and 10.0L diesel.
Using as a Power Bank:
The GT4000 features multiple output ports for charging electronic devices:
- PD100W Type-C Port: For fast charging compatible laptops (e.g., MacBook), smartphones, and tablets.
- Quick Charge USB Port: For fast charging compatible smartphones and tablets.
- 5V/2.4A USB Port: For standard charging of various USB-powered devices.
- 15V/10A DC Output Port: For powering 12V devices such as tire inflators, car vacuums, or portable refrigerators.
Image: The GT4000 jump starter simultaneously charging a MacBook laptop and a smartphone via its USB ports.
Image: The GT4000 jump starter providing power to a tire inflator through its 15V/10A DC output port.
LED Flashlight Functions:
The built-in 400-lumen LED light offers multiple modes for emergency situations or general illumination:
- Normal: Steady illumination for general use.
- Spotlight: Focused beam for specific areas.
- Strobe: Flashing light for signaling or attracting attention.
- SOS: Morse code signal for emergency situations.
Image: The GT4000's integrated LED light demonstrating its various modes: normal, strobe, and SOS.
5. Maintenance
Charging and Storage:
- Recharge the unit after each use to maintain optimal battery health.
- For long-term storage, ensure the unit is fully charged and recharge every 3-6 months.
- Store in a cool, dry place away from direct sunlight and extreme temperatures.
Image: The GT4000 jump starter connected to a car battery, highlighting its 24-month standby capability when fully charged.
Cleaning:
Wipe the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure all ports are free of dust and debris, especially the charging and output ports, which are protected by a well-fitting silicone rubber cover.
Durability:
The GT4000 is designed for tough conditions with an IP65 water-resistant and 94V0 flame-retardant enclosure, along with a rugged rubber shell for added durability.
Image: The GT4000 jump starter shown with water splashing on it, illustrating its IP65 water-resistant rating.
6. Troubleshooting
Common Issues and Solutions:
- Unit not turning on: Ensure the power button is pressed and held for a few seconds. Check if the battery is completely drained and needs charging.
- Vehicle not starting:
- Verify that the clamps are securely connected to the correct battery terminals (red to positive, black to negative).
- Ensure the GT4000 has sufficient charge.
- Press the "BOOST" button if the battery is deeply discharged.
- Check for any error messages on the LED screen and refer to the safety protections section.
- LED screen displays "Low Temp Reminder": The unit's pre-heating technology will activate. Allow the unit to warm up before attempting to jump start. This ensures optimal performance in cold conditions (down to -40°F).
Image: The GT4000 jump starter in a winter setting, emphasizing its battery pre-heating technology for reliable operation in temperatures as low as -40°F.
7. Specifications
| Attribute | Value |
|---|---|
| Brand | GOOLOO |
| Model | GT4000 |
| Product Dimensions | 8.98"D x 3.92"W x 1.49"H |
| Amperage | 4000 Amps |
| Peak Output Current | 4000 Amps |
| Item Weight | 4.27 pounds |
| Battery Type | Lithium Polymer |
| Engine Compatibility | Up to 12.0L Gas, 10.0L Diesel |
| Charging Input | 100W Type-C (PD) |
| Output Ports | PD100W Type-C, Quick Charge USB, 5V/2.4A USB, 15V/10A DC |
| LED Light Output | 400 Lumens |
| Water Resistance | IP65 |
8. Warranty and Support
Warranty:
The GOOLOO GT4000 comes with an 18-month warranty from the date of purchase, covering manufacturing defects and workmanship.
Return Policy:
Enjoy a 30-day unconditional return guarantee from the date of purchase.
Customer Support:
GOOLOO provides comprehensive customer support:
- 24/7 Customer Support: Assistance available around the clock.
- Lifetime Customer & Technical Support: Ongoing support for the lifespan of your product.
Image: Summary of GOOLOO's customer support offerings, including 24-hour support, 30-day return, 18-month warranty, and lifetime technical support.
