The NOCO Genius Boost GB40 is a portable lithium-ion jump starter, delivering 1000-amps for various vehicles. This manual guides optimal performance and safe operation.

It’s designed for ease of use, offering a comprehensive solution for jump-starting and battery maintenance, as detailed within this user guide.

What is the NOCO Genius Boost GB40?

The NOCO Genius Boost GB40 is a highly portable and powerful lithium-ion jump starter pack. It’s engineered to deliver 1000-amps, capable of jump-starting cars, boats, trucks, and more.

Unlike traditional jump starters, the GB40 is compact, lightweight, and features safety technologies. It’s a versatile tool for emergency roadside assistance and long-term battery maintenance, offering a reliable power source when you need it most.

Key Features and Specifications

Key features include 1000-amps of peak current, lithium-ion technology, and multiple safety protections. It boasts a compact design and built-in USB ports for charging devices.

Specifications encompass a starting current of 1000A, a peak current of 4000A, and dimensions optimized for portability. It supports both 12V and 24V battery systems, making it a versatile power solution for diverse vehicles.

Safety Precautions

Always read the manual before use. Avoid short circuits, and never attempt to jump-start a frozen battery. Ensure proper ventilation during operation.

Prioritize safety by following all warnings and cautions detailed within this guide for optimal and secure performance.

General Safety Guidelines

Before using the GB40, carefully review this entire manual to understand its features and safety precautions. Always wear appropriate eye protection during jump-starting procedures to shield against potential sparks or acid spray. Ensure the vehicle’s ignition is off, and no electrical loads are connected.

Never allow the clamps to touch each other while connected to a battery. Maintain a well-ventilated workspace, as batteries can release explosive gases. Keep the device away from flammable materials.

Important Warnings and Cautions

Incorrect use of the GB40 can cause battery damage or personal injury. Do not attempt to jump-start a battery that is frozen or visibly damaged. Misconnecting the clamps can lead to short circuits and potential hazards. This device is intended for 12V/24V systems only.

Avoid exposing the GB40 to extreme temperatures or moisture. Never disassemble or modify the unit. Keep out of reach of children. Refer to your vehicle’s owner’s manual for specific battery information.

Understanding the Components

The GB40 package includes the jump starter, battery clamps, USB cable, storage bag, and this manual. Familiarize yourself with ports and indicator lights for optimal use.

These components work together to provide a safe and effective jump-starting and battery maintenance solution.

Package Contents

Your NOCO Genius Boost GB40 package contains several essential items. These include the GB40 jump starter unit itself, a set of heavy-duty battery clamps for secure connection, and a USB charging cable for convenient power replenishment.

Additionally, a microfiber storage bag is provided for safe keeping and portability. Finally, this comprehensive user manual is included to guide you through setup, operation, and troubleshooting, ensuring a seamless experience.

Device Overview: Ports and Indicators

The GB40 features several key ports and indicators. You’ll find a USB output for charging devices, and a micro-USB input for recharging the unit itself. LED indicators display the charge level and potential error states.

The power button activates the jump starter, while separate indicator lights confirm readiness and potential issues. Understanding these elements is crucial for safe and effective operation, as detailed in this manual.

Jump Starting Procedures

Jump starting with the GB40 is straightforward. Connect the clamps correctly – red to positive, black to negative – and follow the step-by-step guide for a safe start.

Connecting the GB40 to a Vehicle Battery

Before connecting, ensure the vehicle and the GB40 are turned off. Attach the red clamp to the vehicle’s positive (+) terminal, then the black clamp to a grounded metal surface or the negative (-) terminal.

Double-check the connections for secure contact. Refer to your vehicle’s owner’s manual to locate the battery terminals correctly. Incorrect connections can cause damage or injury.

Ensure clamps are firmly attached before proceeding to the jump-start sequence.

Step-by-Step Jump Starting Guide

First, connect the GB40 to the vehicle battery as instructed. Second, press the power button on the GB40 to initiate the jump-start process. Third, attempt to start the vehicle.

If the vehicle doesn’t start, wait 30 seconds and repeat. Fourth, once started, disconnect the clamps in reverse order – black then red. The GB40 is now ready for storage.

Troubleshooting Jump Starting Issues

If the GB40 fails to jump-start, ensure proper connection – red to positive, black to negative. Check for a fully charged GB40; indicator lights will confirm. For low voltage batteries, utilize the manual override mode.

If issues persist, consult the error code section or verify battery compatibility. A severely discharged or damaged battery may require professional attention.

Manual Override Mode

Manual override bypasses safety checks for severely discharged batteries. Use this feature cautiously, as it requires a strong, direct connection and understanding of battery conditions.

When to Use Manual Override

Manual Override is crucial when the GB40 fails to recognize a battery due to extremely low voltage or damage. It’s intended for situations where standard jump-starting procedures are unsuccessful.

However, exercise extreme caution! This mode bypasses safety protocols, potentially causing sparks or damage if used incorrectly. Refer to your battery’s owner’s manual to determine compatibility before activating this feature, and always prioritize safety.

Activating and Using Manual Override

To activate Manual Override, press and hold the power button for over five seconds until the indicator lights flash. Connect the GB40 clamps to the battery, ensuring correct polarity.

Monitor closely for any signs of overheating or sparking. Once the vehicle starts, immediately disconnect the clamps. Remember, manual override bypasses safety features; use it only as a last resort and with extreme caution.

Battery Compatibility & Voltage

The GB40 supports Lead-Acid, AGM, and Lithium batteries. Always check your battery’s owner’s manual to determine its voltage (12V/24V) before use.

Supported Battery Types (Lead-Acid, AGM, Lithium)

The NOCO Genius Boost GB40 is versatile, compatible with a wide range of battery types. It effectively jump starts Lead-Acid, Absorbed Glass Mat (AGM), and Lithium-ion batteries.

Confirm your battery’s chemistry by consulting its owner’s manual before connecting the GB40. Proper identification ensures safe and efficient jump-starting, preventing potential damage to the device or the battery itself.

Using the correct settings for each battery type is crucial for optimal performance.

Determining Battery Voltage (12V/24V)

The NOCO Genius Boost GB40 is primarily designed for 12-volt battery systems, commonly found in most cars, boats, and trucks.

Before use, always verify your vehicle’s battery voltage. Refer to your vehicle’s owner’s manual or the battery itself to confirm whether it’s a 12V or 24V system.

Using the GB40 on a 24V system is not recommended and may cause damage. Accurate voltage identification is essential for safe operation.

Charging the GB40

The GB40 can be charged via a USB port or a 12V vehicle accessory socket; Charging times vary, indicated by the device’s LED lights.

Regular charging ensures optimal performance and readiness for jump-starting when needed;

Charging Methods and Times

The GB40 offers versatile charging options. Utilizing the included USB cable, a full charge typically takes approximately 3-4 hours from a 2.1 amp USB power source.

Alternatively, it can be charged via a 12V vehicle accessory port, though this method generally requires 6-8 hours for a complete recharge. Consistent charging maintains peak performance.

Avoid prolonged exposure to extreme temperatures during charging for optimal battery health and longevity.

Indicator Lights During Charging

During charging, the indicator lights on the GB40 display the charging progress. Initially, all lights will flash to indicate charging has begun.

As the unit charges, lights will illuminate sequentially, representing approximately 25% charge increments. When fully charged, all four indicator lights will remain solid.

A flashing low-battery indicator signals the need for recharging, ensuring the jump starter is always ready for use.

Maintenance and Storage

Regular cleaning with a damp cloth ensures optimal performance. Store the GB40 in a cool, dry place, away from extreme temperatures and direct sunlight.

Proper storage maintains battery health and extends the lifespan of your jump starter.

Cleaning and Care

To clean your NOCO Genius Boost GB40, disconnect it from any power source and use a slightly damp cloth to wipe the exterior casing. Avoid harsh chemicals or abrasive cleaners, as these can damage the device.

Ensure the ports are free of debris. Inspect the clamps for corrosion and clean them if necessary. Proper cleaning maintains performance and extends the product’s lifespan, ensuring reliable jump-starting capabilities.

Proper Storage Guidelines

For optimal longevity, store your NOCO Genius Boost GB40 in a cool, dry environment, away from direct sunlight and extreme temperatures. It’s recommended to charge the device periodically, even during prolonged storage, to maintain battery health.

Avoid storing it with metal objects that could cause a short circuit. Keep it in a protective case or bag to prevent damage and ensure it’s ready for immediate use when needed.

Low Voltage Battery Considerations

The GB40 is designed to jump start low voltage batteries, but careful consideration is crucial. Always refer to your battery’s owner’s manual first.

Ensure proper connection and follow safety guidelines for a successful and safe jump start.

Identifying Low Voltage Batteries

Low voltage batteries often exhibit slow engine cranking or a complete inability to start a vehicle. Dashboard lights may appear dim or flicker during the attempted start.

A voltmeter reading below 12.4 volts typically indicates a low charge. Consult your vehicle’s manual for specific voltage thresholds. The GB40 can often jump start these, but proceed with caution and follow all safety instructions.

Jump Starting Low Voltage Batteries Safely

Jump starting low voltage batteries requires extra care. Ensure a solid connection with the GB40 clamps, allowing the device to establish a charge before attempting a start.

Monitor the battery closely during the process. If the battery doesn’t respond after several attempts, avoid prolonged cranking to prevent overheating or damage. Disconnect immediately if any unusual noises or smells occur.

Using as a Battery Tender

The GB40 can function as a battery tender for long-term maintenance. Utilize recommended settings for optimal charging, preserving battery health and extending its lifespan.

Can the GB40 be used for long-term battery maintenance?

Yes, the GB40 is capable of serving as a battery tender for extended periods. This functionality helps maintain optimal battery charge, preventing sulfation and extending its overall lifespan.

It’s ideal for vehicles stored seasonally or infrequently used, ensuring a ready-to-go state. Proper settings are crucial for effective long-term maintenance, as detailed in the manual.

Recommended Settings for Battery Tender Mode

For optimal battery tender mode performance, select the appropriate voltage setting – 12V is standard for most vehicles. The GB40 automatically adjusts its charge based on battery needs.

Continuous monitoring prevents overcharging, ensuring safe long-term maintenance. Refer to your battery’s specifications for optimal charging parameters, as outlined in its owner’s manual.

Error Codes and Troubleshooting

Decoding error messages on the GB40 helps diagnose issues. Common problems include loose connections or low battery voltage; solutions are detailed within.

Consult the manual for specific code meanings and troubleshooting steps to resolve any operational difficulties.

Decoding Error Messages

The NOCO Genius Boost GB40 utilizes error codes to indicate specific issues. A flashing red light often signals a connection problem – ensure clamps are securely attached.

Other codes may relate to over-voltage, reverse polarity, or internal faults. Refer to the comprehensive table in the user manual for a complete list and corresponding solutions. Understanding these codes allows for efficient troubleshooting and prevents potential damage.

Common Issues and Solutions

A frequent issue is insufficient contact – clean battery terminals and clamps for a secure connection. If the GB40 doesn’t recognize the battery, try the manual override mode.

Low voltage batteries may require extended jump-starting attempts. Ensure correct polarity! If errors persist, consult the error code section or contact NOCO support for further assistance and potential warranty claims.

Warranty Information

NOCO Genius Boost GB40 is covered by a warranty against defects. Details regarding coverage length and claim procedures are outlined within this manual.

Retain your proof of purchase for warranty service requests.

Warranty Coverage Details

NOCO warrants this GB40 jump starter against defects in materials and workmanship for a period of one year from the date of original purchase.

This warranty covers product replacement or repair, at NOCO’s discretion. It does not cover misuse, abuse, accidents, or normal wear and tear. Damage caused by improper use voids the warranty. Proof of purchase is required for all claims.

How to Claim Warranty

To initiate a warranty claim, contact NOCO customer service with your proof of purchase and a detailed description of the defect.

You may be required to return the product for inspection. NOCO will, at its option, repair or replace the defective unit. Shipping costs for warranty returns are the responsibility of the customer; Visit the NOCO website for detailed instructions.

Technical Specifications

The GB40 delivers 1000 Amps, has a 20,000 mAh Lithium-ion battery, and measures 7.8 x 5.1 x 1.1 inches. It’s a powerful, compact unit.

Detailed Technical Specs (Amps, Capacity, Dimensions)

The NOCO Genius Boost GB40 boasts a peak current of 1000 Amps and a starting current of 300 Amps. Its lithium-ion battery capacity is 20,000 mAh (74Wh).

Dimensions are 7.8 x 5.1 x 1.1 inches (198 x 130 x 28 mm), with a weight of 2.4 lbs (1.1 kg). Input is 5V/2A, and output is USB-A 5V/2.1A. It operates between 32°F ‒ 104°F (0°C ‒ 40°C).

Frequently Asked Questions (FAQ)

Common questions address battery compatibility, manual override usage, and if the GB40 can function as a battery tender for long-term maintenance.

Refer to the manual for detailed answers and troubleshooting steps regarding error codes and optimal performance.

Common Questions and Answers

Q: Can the GB40 be used as a battery tender? A: Yes, the GB40 can maintain battery charge long-term, utilizing recommended settings detailed in the manual.

Q: What do the indicator lights mean? A: Lights signal power status, charging progress, and potential errors; consult the manual for decoding.

Q: How do I activate manual override? A: Use it for deeply discharged batteries, following the manual’s step-by-step instructions for safe activation.