1. Introduction
Thank you for choosing the GOOLOO GT1500 Portable Car Jump Starter. This device is designed to provide a reliable and convenient solution for jump-starting vehicles with dead batteries, as well as offering portable power for charging electronic devices. Please read this manual thoroughly before use to ensure safe and optimal operation.

Image 1: GOOLOO GT1500 Portable Car Jump Starter. This image displays the main unit with its attached smart jumper cables, ready for use.
2. Safety Information
- Always ensure the jump starter is fully charged before use.
- Do not use the jump starter if the cables or clamps are damaged.
- Connect the clamps correctly: red to positive (+), black to negative (-). Incorrect connection may cause sparks or damage.
- Do not let the unit over-discharge. Recharge promptly after use.
- Avoid storing the unit in high temperatures or direct sunlight.
- Keep out of reach of children.
- Consult your vehicle's owner's manual for specific jump-starting procedures.
3. Package Contents
The GOOLOO GT1500 package includes the following items:
- GOOLOO GT1500 Jump Starter Unit
- Smart Jumper Cables with Indicator
- USB to Type-C Cable
- Car Charger
- Cigarette Adapter
- User Manual
- Storage Bag

Image 2: Included Accessories and Dimensions. This diagram illustrates the GOOLOO GT1500 unit, smart jumper cables, USB-C cable, car charger, cigarette adapter, user manual, and storage bag, along with the unit's dimensions.
4. Product Overview and Features
The GOOLOO GT1500 is a versatile device designed for emergency vehicle jump-starting and portable power needs. Key features include:
- High Peak Current: 1500A peak current for reliable jump-starting.
- Wide Vehicle Compatibility: Suitable for 12V vehicles with up to 8.0L gas and 6.0L diesel engines.
- Multi-functional Ports: Includes Type-C In/Out, 15V/10A Output, and Dual USB Ports for charging various devices.
- LED Lighting: Built-in LED light with Spotlight, Strobe, and SOS functions for emergencies.
- Water-Resistant & Dustproof: Durable design for use in various environmental conditions.
- Temperature Resilience: Operates effectively in temperatures ranging from -4°F to 140°F (-20°C to 60°C).

Image 3: GT1500 Ports and Indicators. This image highlights the various input/output ports and indicators on the GOOLOO GT1500 unit.

Image 4: Water Resistant & Dustproof Feature. The image shows the GOOLOO GT1500 with water droplets, demonstrating its robust, water-resistant, and dustproof design.
5. Specifications
| Specification | Value |
|---|---|
| Brand | GOOLOO |
| Model Number | GT1500 |
| Peak Amperage | 1500 Amps |
| Battery Capacity | 15000 Milliamp Hours |
| Battery Cell Composition | Lithium Polymer |
| Voltage | 12 Volts |
| Vehicle Service Type | Car, SUV, Truck, Motorboat, Lawn Mower (up to 8.0L Gas / 6.0L Diesel) |
| Item Weight | 1.4 pounds |
| Product Dimensions | 7.4 x 3.66 x 1.39 inches |
6. Setup and Charging the GT1500
Before first use, fully charge your GOOLOO GT1500 unit. It is recommended to recharge the unit after each use or every 3-6 months to maintain battery health.
6.1 Charging the Unit
- Connect the provided USB to Type-C cable to the 'In/Out USB-C' port on the GT1500.
- Connect the other end of the USB cable to a compatible USB wall adapter (not included) or the provided car charger.
- The LED indicator lights on the unit will illuminate to show the charging progress. All four lights will be solid when fully charged.

Image 5: Charging a Device with GT1500. This image demonstrates the GT1500's ability to charge external devices via its USB ports.

Image 6: Charging Options for GT1500. This image illustrates how to charge the GT1500 using either the included car charger or a USB wall adapter (not included).
7. Operating Instructions: Jump Starting a Vehicle
Follow these steps carefully to jump-start your vehicle:
- Prepare the Jump Starter: Ensure the GT1500 is sufficiently charged (at least 50% recommended).
- Connect Smart Jumper Cables: Insert the blue plug of the smart jumper cables into the jumper cable port on the GT1500 unit.
- Connect to Vehicle Battery:
- 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.
- Check Indicator Light: The indicator light on the smart jumper cable will turn solid green, indicating a correct connection and readiness to jump-start. If it shows red or flashes, check connections or consult the troubleshooting section.
- Start the Vehicle: Go into your vehicle and start the engine. The GT1500 provides power for approximately 30 seconds after activation.
- Remove Cables: Once the vehicle starts, immediately remove the smart jumper cables from the vehicle battery, then disconnect them from the GT1500 unit.

Image 7: 4-Step Jump Start Guide. This visual guide illustrates the process of connecting the GT1500 to a car battery and starting the engine.
7.1 Official Product Video: Jump Starting Demonstration
Video 1: Powerful & Cost-effective GOOLOO Jump Starter GT1500. This video demonstrates the GOOLOO GT1500 in action, highlighting its ease of use and effectiveness in jump-starting a vehicle. It shows the connection process and the successful engine start.
8. Other Functions
8.1 LED Lighting Function
The GT1500 features a built-in LED light with multiple modes:
- Press the LED light button once for a steady Spotlight.
- Press again for Strobe mode.
- Press a third time for SOS signal mode.
- Press a fourth time to turn the light off.

Image 8: LED Lighting Function. This image shows the GT1500's integrated LED light being used to illuminate a car engine, useful for nighttime emergencies.
8.2 USB Charging Ports
Use the USB output ports (5V/9V/12V and 5V/2.4A) to charge your smartphones, tablets, and other USB-powered devices. The Type-C port also supports charging out.
9. Maintenance
- Recharge Regularly: To prolong the lifespan of the lithium polymer battery, recharge the unit every 3-6 months, even if not in use.
- Clean the Unit: Wipe the unit with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
- Store Properly: Store the jump starter in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided storage bag for protection.
- Inspect Cables: Periodically check the smart jumper cables and clamps for any signs of damage, wear, or corrosion. Replace if necessary.
10. Troubleshooting
- Unit Not Turning On: Ensure the unit is charged. Press and hold the power button for a few seconds.
- Vehicle Not Starting:
- Check that the smart jumper cable indicator light is solid green. If not, re-check connections.
- Ensure the clamps are securely attached to the correct battery terminals.
- If the vehicle battery is completely dead, you may need to press the 'BOOST' button on the smart cable for a few seconds (refer to smart cable instructions for specific details).
- Allow 30 seconds between attempts if the vehicle does not start on the first try.
- Smart Cable Indicator Light Issues:
- Red Light: Indicates reverse polarity. Disconnect and re-connect clamps correctly.
- Flashing Green Light: May indicate low voltage or a problem with the vehicle battery. Try pressing the 'BOOST' button if applicable.
- Device Not Charging: Ensure the charging cable and adapter are functioning correctly. Try a different cable or adapter.
11. Warranty and Support
The GOOLOO GT1500 comes with a warranty. Please refer to the included warranty card for specific terms and conditions. For any product inquiries, technical support, or warranty claims, please contact GOOLOO customer service directly. Contact information can typically be found on the warranty card or the official GOOLOO website.
GOOLOO is committed to resolving any issues within 24 hours.





