GOOLOO GT4000S Portable Jump Starter User Manual

1. Introduction

This manual provides essential instructions for the safe and effective use of your GOOLOO GT4000S Portable Jump Starter. Please read this manual thoroughly before operating the device and retain it for future reference. The GT4000S is a powerful and versatile device designed to jump-start 12V vehicles, charge electronic devices, and provide emergency lighting.

Image 1: GOOLOO GT4000S Portable Jump Starter with attached jumper cables. The device is red and black with an LED screen displaying '100% READY' and '100W'.

2. Package Contents

Verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.

• GOOLOO GT4000S Portable Car Jump Starter
• Heavy Duty Jumper Cables
• SC 100W Car Charger
• USB to Type-C Cable
• Type-C to Type-C Cable
• Cigarette Lighter Adapter
• Storage Bag
• User Manual

Image 2: All components included in the GOOLOO GT4000S package, neatly arranged. This includes the jump starter unit, jumper cables, various charging cables, a car charger, and a storage bag.

3. Safety Information

Read and understand all safety information before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.

• Do not jump-start a frozen battery.
• Do not connect the positive (+) and negative (-) clamps together.
• Do not immerse the product in water.
• Do not operate the product if it is damaged.
• Keep out of reach of children.
• Use the product in a well-ventilated area.
• Wear eye protection when jump-starting a vehicle.
• Ensure the vehicle is in park (P) or neutral (N) and the parking brake is engaged before jump-starting.
• The GT4000S features 10 built-in safety protections, including reverse-polarity, over-charge, over-voltage, spark-proof, short-circuit, high and low-temperature, over-current, and overload protection.

Image 3: An exploded view diagram of the GOOLOO GT4000S highlighting its internal components and listing 10 built-in safety protections such as AI-Software monitoring, Reverse-Polarity Protection, and Spark-Proof Protection.

4. Product Overview

4.1 Key Features

• Powerful Jump Starting: 4000A peak current, capable of starting 12V vehicles with up to 12.0L gasoline or 10.0L diesel engines.
• 100W Two-Way Fast Charging: Fully charges the unit in 1.2 hours. A 5-minute charge can provide enough power for a single jump start.
• Portable Power Bank: Equipped with 100W USB-C In/Out, 18W USB-A Out, and a 15V/10A DC output port for charging various electronic devices, including laptops.
• Informative LED Screen: A 3.2-inch screen displays battery level, charging status, and error messages.
• Emergency Flashlight: Integrated 400-lumen LED flashlight with SOS, Spotlight, and Strobe modes.
• Extended Standby Time: Maintains charge for up to 24 months.
• Durable Design: IP65 waterproof rating for protection against rain and dust.

4.2 Ports and Indicators

Image 4: A detailed diagram showing the various ports on the side of the GOOLOO GT4000S, including the Power Switch, 12V jump starter port, 15V/10A DC Port, 5V/2.4A Output Port, 5V/9V/12V Output Port, and IN/OUT PD100W Type-C port. The LED screen indicators are also labeled: Battery Level, Low Current Mode, Battery Clips Reversed, Low Temp Reminder, Ready to Start, and Charging Power.

5. Setup

5.1 Initial Charge

Before first use, fully charge your GT4000S. Connect the provided 100W car charger or a compatible Type-C charger to the IN/OUT PD100W port. The LED screen will indicate the charging status and battery level. A full charge takes approximately 1.2 hours with a 100W charger.

Image 5: The GOOLOO GT4000S jump starter connected to a wall outlet via a Type-C cable and adapter, illustrating the fast charging capability. The screen shows 100% charge.

5.2 Checking Battery Level

Press the power button once to view the current battery level on the LED screen. It is recommended to keep the unit charged above 50% for optimal performance, especially before jump-starting a vehicle.

6. Operating Instructions

6.1 Jump Starting a Vehicle

1. Ensure the GT4000S has sufficient charge (above 50%).
2. Connect the blue end of the jumper cables to the 12V jump starter port on the GT4000S.
3. Attach the red (+) clamp to the positive (+) terminal of the vehicle's battery.
4. Attach the black (-) clamp to the negative (-) terminal of the vehicle's battery.
5. Once connected, the GT4000S LED screen should display "READY". If not, check connections or refer to troubleshooting.
6. Start the vehicle's engine.
7. Once the vehicle starts, immediately remove the jumper cables from the vehicle battery, then disconnect from the GT4000S.

Image 6: A visual guide showing two steps to jump-start a car: 1. Connect the jumper cables to the GOOLOO GT4000S and the car battery. 2. Start the engine.

Image 7: The GOOLOO GT4000S jump starter connected to a car battery under the hood, with the device displaying '92% READY'. The image emphasizes its capability to jump-start dead vehicles.

6.2 Charging Electronic Devices

The GT4000S can act as a power bank for various electronic devices.

• USB-C (IN/OUT PD100W): Use the Type-C to Type-C cable to charge laptops (e.g., MacBook) or other compatible devices at up to 100W.
• USB-A (5V/9V/12V Output): Use a USB to Type-C cable or your device's charging cable to charge smartphones, tablets, and other USB-powered devices.
• USB-A (5V/2.4A Output): For standard USB charging of various devices.

Image 8: The GOOLOO GT4000S jump starter connected via a Type-C cable to a laptop, demonstrating its capability to charge portable electronics. The screen shows '100% 65W'.

6.3 Using the Flashlight

Press and hold the flashlight button to turn on the LED light. Press again to cycle through modes: Spotlight, Strobe, SOS. Press and hold to turn off.

6.4 Using the 15V/10A DC Output

The 15V/10A DC output port can power 12V or 15V DC devices such as tire inflators, inverters, or car vacuums using the provided cigarette lighter adapter.

7. Charging the GT4000S

The GT4000S can be recharged using the following methods:

• Via 100W Car Charger: Connect the provided SC 100W Car Charger to your vehicle's cigarette lighter socket and the GT4000S Type-C port. This is the fastest way to recharge on the go.
• Via Type-C Wall Adapter: Use a compatible 100W Type-C wall adapter (not included) and the Type-C to Type-C cable to charge from a standard wall outlet.

Image 9: The GOOLOO GT4000S jump starter being charged inside a car using the 100W car charger. The screen displays '65% 100W', indicating fast charging.

8. Maintenance and Storage

• Store the GT4000S in a cool, dry place away from direct sunlight.
• Recharge the unit every 3-6 months, even if not used, to maintain battery health. The GT4000S has a 24-month standby time, but periodic checks are recommended.
• Clean the unit with a dry, soft cloth. Do not use harsh chemicals or abrasive materials.
• The IP65 rating provides protection against dust and low-pressure water jets, but avoid prolonged exposure to moisture.

Image 10: A graphic illustrating the GOOLOO GT4000S's 24-month standby time, indicating that it can hold a charge for an extended period.

Image 11: The GOOLOO GT4000S being splashed with water, demonstrating its IP65 waterproof and dustproof capabilities.

9. Troubleshooting

10. Specifications

11. Warranty and Support

GOOLOO is committed to providing high-quality products and customer satisfaction.

• Warranty: 18-month warranty from the date of purchase.
• Return Policy: 30-day unconditional return guarantee.
• Customer Support: 24/7 customer support available.
• Technical Support: Lifetime technical support provided.

For assistance, please refer to the contact information provided in your product packaging or visit the official GOOLOO website.