NOCO GBX45

NOCO Boost X GBX45 User Manual

Model: GBX45 | Brand: NOCO

Introduction

The NOCO Boost X GBX45 is a portable lithium jump starter designed for 12-volt batteries in vehicles with up to 6.5-liter gasoline and 4.0-liter diesel engines. This includes cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, and tractors. Featuring 1250-amps of extreme jump starting power, the GBX45 incorporates UltraSafe 2.0 safety technology, providing spark-proof connections and reverse polarity protection. It also includes 60W USB-C Power Delivery for ultra-fast recharging and powering various USB-C devices. This manual provides essential information for safe and effective use of your GBX45.

Safety Information

Always read and understand all safety information before using this product. Failure to follow these safety instructions may result in electrical shock, explosion, fire, which may result in serious injury, death, or property damage.

What's in the Box

Contents of the NOCO Boost X GBX45 box including the jump starter, clamps, USB-C cable, and storage bag.

Image: All components included with the NOCO Boost X GBX45 jump starter.

Your NOCO Boost X GBX45 package includes the following items:

Features Overview

NOCO Boost X GBX45 jump starter with its clamps.

Image: The NOCO Boost X GBX45 unit with its attached heavy-duty clamps.

The GBX45 is engineered with advanced features for reliable and safe jump starting:

Setup and Charging

Initial Charge

It is recommended to fully charge the GBX45 before first use. The unit comes partially charged from the factory. Use the included USB-C charging cable and a compatible USB-C power adapter (not included) to charge the unit. For fastest charging, a 60W USB-C Power Delivery adapter is recommended.

NOCO Boost X GBX45 showing fast charging capabilities and recharge times.

Image: Visual representation of the GBX45's fast charging feature, indicating 0% to boost in 5 minutes and full charge in 48 minutes.

  1. Connect the small end of the USB-C cable to the USB-C IN/OUT port on the GBX45.
  2. Connect the large end of the USB-C cable to a USB-C power adapter.
  3. Plug the power adapter into a wall outlet.
  4. The charge LEDs on the GBX45 will illuminate, indicating the charging progress. All five charge LEDs will be solid white when fully charged.

Battery Level Indicator

The charge LEDs indicate the internal battery charge level:

Operating Instructions: Jump Starting a Vehicle

Follow these steps carefully to jump start your vehicle:

NOCO Boost X GBX45 connected to a car battery, ready to jump start.

Image: The NOCO Boost X GBX45 connected to a vehicle battery, demonstrating its ability to start dead batteries.

  1. Connect Clamps: Connect the heavy-duty battery clamps to the GBX45. Ensure a secure connection.
  2. Attach to Battery:
    • Connect the RED positive (+) clamp to the positive battery terminal.
    • Connect the BLACK negative (-) clamp to the negative battery terminal or a chassis ground point.

    The GBX45 features UltraSafe 2.0 technology with spark-proof and reverse polarity protection. If connected incorrectly, the Error LED will illuminate.

  3. Power On: Press the Power Button on the GBX45. The Power LED will illuminate white. The Boost LED will also illuminate white, indicating it's ready to boost.
  4. Start Vehicle: Attempt to start your vehicle. Most vehicles will start immediately. If the vehicle does not start, wait 30 seconds and try again. Do not attempt more than five (5) consecutive jump starts within a fifteen (15) minute period.
  5. Disconnect: Once the vehicle starts, disconnect the battery clamps in reverse order (negative first, then positive).

Manual Override Feature

The GBX45 has a manual override feature for extremely dead batteries where the unit may not detect the battery. Use this feature with extreme caution as safety features are disabled.

  1. Ensure clamps are correctly connected to the battery.
  2. Press and hold the Manual Override Button for three (3) seconds. The Boost LED will flash white.
  3. Attempt to start the vehicle.
  4. Disconnect clamps immediately after starting.

Charging External Devices (Power Bank Function)

The GBX45 can also function as a portable power bank to charge your USB devices.

NOCO Boost X GBX45 charging various electronic devices like a smartphone, laptop, and smartwatch.

Image: The GBX45 unit connected to and charging multiple electronic devices, highlighting its power bank capabilities.

The GBX45 will automatically detect and begin charging your connected device. The charge LEDs will indicate the remaining battery level of the GBX45.

Maintenance and Storage

Troubleshooting

ProblemPossible CauseSolution
Unit does not turn on.Battery is completely discharged.Charge the unit using the USB-C cable.
Boost LED does not illuminate.Clamps not connected properly; battery voltage too low.Ensure clamps are securely connected. Use Manual Override if battery is extremely dead.
Error LED blinks (Reverse Polarity).Clamps are connected in reverse.Disconnect clamps and reconnect positive to positive, negative to negative.
Error LED blinks (Hot/Cold).Unit is too hot or too cold.Allow unit to return to operating temperature (-4°F to +122°F / -20°C to +50°C).
Vehicle does not start after multiple attempts.Vehicle battery severely damaged; other vehicle issues.Consult a professional mechanic. The GBX45 may not be able to start a battery with internal damage.

Specifications

SpecificationDetail
ModelGBX45
Peak Amperage1250 Amps
Battery Voltage12V
Engine Compatibility (Gas)Up to 6.5 Liters
Engine Compatibility (Diesel)Up to 4.0 Liters
Internal BatteryLithium-Ion
USB-C Input/Output60W Power Delivery
USB-A Output10W
LED Flashlight100 Lumens (Multiple Modes)
Operating Temperature-4°F to +122°F (-20°C to +50°C)
Dimensions (L x W x H)8.23" x 4.96" x 3.62"
Weight2.64 pounds (1.2 Kilograms)
Cable Length23 Inches (Jumper Cables)

Warranty and Support

The NOCO Boost X GBX45 comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in material and workmanship under normal use. For full warranty terms and conditions, please refer to the official NOCO website or the warranty card included in your product packaging.

For technical support, troubleshooting assistance, or warranty claims, please contact NOCO Customer Service. You can find contact information and additional resources on the official NOCO website: no.co/support

You can also visit the official NOCO Store on Amazon for more products and information: NOCO Amazon Store

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