Product Specifications

The NOCO Boost X GBX45 is a 1250A portable lithium jump starter for 12V lead-acid batteries, compatible with vehicles up to 6.5L gasoline and 4.0L diesel engines, featuring reverse polarity protection, an LED flashlight, and a 60W USB-C Power Delivery power bank.

1.1 Device Overview

The NOCO Boost X GBX45 is a compact, portable lithium jump starter designed for 12V lead-acid batteries, delivering 1250A of power. It supports vehicles up to 6.5L gasoline and 4.0L diesel engines, suitable for cars, trucks, motorcycles, and more. Equipped with reverse polarity protection, it ensures safe and reliable jump-starting. The device also features an LED flashlight for greatly enhanced visibility in low-light conditions and a built-in power bank with USB-C Power Delivery, capable of charging devices at 60W. These features make it an essential tool for emergencies and everyday use.

1.2 Compatible Vehicles and Battery Types

The NOCO Boost X GBX45 is designed for 12V lead-acid batteries and is compatible with a wide range of vehicles, including cars, trucks, SUVs, motorcycles, boats, RVs, and tractors. It supports engines up to 6.5L gasoline and 4.0L diesel, making it versatile for various automotive needs. The device works with standard, AGM, and gel batteries, ensuring compatibility across different battery types. This broad compatibility ensures it is an ideal solution for drivers seeking a reliable jump starter for their vehicles.

1.3 Technical Specifications (Voltage, Current, etc.)

The NOCO Boost X GBX45 operates at 12V with a peak current of 1250A, ideal for jump-starting vehicles. It features a lithium-ion battery with a capacity of 31Wh, ensuring reliable performance. The device supports USB-C Power Delivery up to 60W for fast charging of external devices. With a compact design, it includes safety features like reverse polarity protection and thermal protection to prevent overheating. These specifications make it a powerful and safe solution for emergency jump starts and portable power needs.

Safety Guidelines

Features reverse polarity protection and thermal protection for safe operation. Ensure correct connections to avoid damage or injury. Always follow safety precautions when handling batteries and jump-starting vehicles.

2.1 Precautions for Jump Starting

Always ensure the device is turned off before connecting to the battery. Verify compatibility with 12V lead-acid batteries only. Avoid reversed cable connections to prevent damage or injury. Never use the device on frozen or damaged batteries. Keep the area well-ventilated and away from flammable materials. Ensure the vehicle is in park or neutral gear. Do not touch electrical components while jump-starting. Start the vehicle within 60 seconds of successful connection. Refer to your vehicle’s manual for specific jump-starting recommendations. Avoid over-discharging the internal battery.

2.2 Understanding Error Messages and LED Indicators

The NOCO Boost X GBX45 features LED indicators to signal status and potential issues. A solid green LED confirms proper connection, while flashing red indicates errors like low battery or reverse polarity. Three red flashes signify insufficient battery voltage, while four flashes indicate reverse polarity. The device may also emit audible beeps for alerts. Always disconnect and refer to the troubleshooting guide if an error occurs. These indicators ensure safe operation and help diagnose common issues promptly.

Installation and Setup

Begin by charging the device fully before first use. Connect the GBX45 to a 12V battery, ensuring correct polarity. Follow on-screen prompts for calibration and activation to ensure optimal performance and safety.

3.1 Initial Setup and Calibration

Before first use, charge the GBX45 until the charging indicator shows 100%. Connect the device to a 12V battery, ensuring correct polarity (red to positive, black to negative). Press and hold the power button for 3 seconds to activate. The device will automatically enter calibration mode, checking battery voltage and configuring settings. Ensure the battery voltage stabilizes before proceeding. If the battery voltage is below 3V, the Boost LED will remain off, indicating the need for external charging before use. Follow all safety guidelines during setup.

3.2 Connecting to the Battery

Ensure the vehicle is turned off and all accessories are disconnected. Locate the battery and identify the positive (+) and negative (-) terminals. Attach the red clamp to the positive terminal and the black clamp to the negative terminal or a grounded metal surface. Ensure the clamps are secure and not touching any moving parts. If the battery voltage is below 3V, the Boost LED will remain off. Press the power button to activate the device, and the white Boost LED will illuminate if properly connected. Monitor for any error indicators and address them promptly. Always follow safety guidelines to avoid hazards.

3.3 First-Time Use and Activation

Before first use, fully charge the NOCO Boost X GBX45 using the provided USB-C cable. Locate the power button on the device and press and hold it for three seconds to activate. The LED indicators will illuminate, confirming the device is ready for use. Ensure the internal battery has sufficient charge for jump starting. If the battery level is low, recharge it before attempting to jump start a vehicle. Always verify the device is properly activated and ready for operation by checking the LED indicators. This ensures safe and effective performance during use.

Usage Instructions

Jump start vehicles, charge devices via USB, and use the LED flashlight for emergencies. Press the power button to activate and follow LED-guided operations for safe use.

4.1 How to Jump Start a Vehicle

To jump start a vehicle with the NOCO Boost X GBX45, ensure the device is fully charged. Locate the dead battery and connect the positive (red) clamp to the positive terminal, then the negative (black) clamp to a grounding point. Press the power button to activate the device. Start the vehicle within 60 seconds. If successful, the vehicle will start. Remove the clamps in reverse order: negative first, then positive. Always follow safety guidelines for proper use.

4.2 Charging the Internal Battery

Start by ensuring the NOCO Boost X GBX45 is fully charged. Attach the positive (red) clamp to the dead battery’s positive terminal and the negative (black) clamp to a grounding point. Press the power button to activate the device. Start the vehicle within 60 seconds. If successful, remove the clamps in reverse order: negative first, then positive. Always follow safety guidelines for proper use.

4.3 Using the Built-In Power Bank

To use the built-in power bank, connect your device via the USB or USB-C port. The NOCO Boost X GBX45 supports USB-C Power Delivery up to 60W for fast charging. Plug in your device and the power bank will automatically activate. The LED flashlight can be used while charging. Ensure the internal battery has sufficient charge before use. Avoid overcharging your devices, and store the unit properly after use to maintain battery health. This feature is ideal for charging smartphones, tablets, or other compatible electronics on the go.

Troubleshooting Common Issues

Check battery voltage; if below 3V, the Boost LED won’t activate. Ensure proper connections and refer to LED indicators for error diagnostics. Consult the manual for solutions.

5.1 Diagnosing Battery Problems

To diagnose battery issues with the NOCO Boost X GBX45, start by checking the battery voltage using a multimeter. Ensure the battery is fully charged and properly connected to the vehicle’s system. If the GBX45 indicates a problem, refer to the LED flash patterns in the manual for specific error codes. Common issues include low battery voltage, poor connections, or incompatible battery types. Always ensure the battery voltage is above 3V for proper functionality. Consult the user manual for detailed diagnostic steps and solutions.

5.2 Resolving Common Errors

Common errors with the NOCO Boost X GBX45 often relate to improper connections or low battery voltage. If the Boost LED is off, ensure the battery voltage is above 3V. For connection issues, check the clamps for clean, secure contact with the terminals; If the device indicates an error, restart it and retry. For persistent problems, refer to the LED flash patterns in the manual to identify specific error codes. In rare cases, updating the firmware or contacting customer support may be necessary to resolve the issue effectively.

Maintenance and Care

Regularly update firmware for optimal performance and store the device in a cool, dry place to maintain longevity and ensure reliable functioning.