Do you have a question about the NOCO Genius GBX45 and is the answer not in the manual?
Product is an electrical device that can shock and cause serious injury. Do not cut power cords or submerge.
Unmonitored or damaged batteries can explode. Do not leave unattended or jump start frozen batteries.
Product emits heat and can cause burns. Do not cover, smoke, or use sparks near product.
Wear eye protection. Battery acid causes irritation. Flush affected area with water and contact poison control.
Batteries generate explosive gases. Follow all safety information and manufacturer instructions.
Disables safety measures, potentially causing injury or death. Use with caution.
Do not overcharge. Charge in ventilated area. Store indoors. Not for commercial repair facilities.
Charge fully before use via USB-C. Recharge time varies by power source and battery level.
Identify battery polarity. Connect red clamp to positive, black clamp to negative or chassis.
Turn off vehicle loads. Press power button. White boost LED indicates proper connection.
Feature allows jump starting batteries below 3-volts; disables safety protections. Use with extreme care.
Enables boost for low voltage batteries, disabling safety features. Hold for 3 seconds.
Solid Red LED: Detected reverse polarity. Reverse battery connections.
Single Flash: Short circuit detected. Remove loads, reconnect clamps.
Product is an electrical device that can shock and cause serious injury. Do not cut power cords or submerge.
Unmonitored or damaged batteries can explode. Do not leave unattended or jump start frozen batteries.
Product emits heat and can cause burns. Do not cover, smoke, or use sparks near product.
Wear eye protection. Battery acid causes irritation. Flush affected area with water and contact poison control.
Batteries generate explosive gases. Follow all safety information and manufacturer instructions.
Disables safety measures, potentially causing injury or death. Use with caution.
Do not overcharge. Charge in ventilated area. Store indoors. Not for commercial repair facilities.
Charge fully before use via USB-C. Recharge time varies by power source and battery level.
Identify battery polarity. Connect red clamp to positive, black clamp to negative or chassis.
Turn off vehicle loads. Press power button. White boost LED indicates proper connection.
Feature allows jump starting batteries below 3-volts; disables safety protections. Use with extreme care.
Enables boost for low voltage batteries, disabling safety features. Hold for 3 seconds.
Solid Red LED: Detected reverse polarity. Reverse battery connections.
Single Flash: Short circuit detected. Remove loads, reconnect clamps.
The NOCO BOOST X GBX45 is a portable jump starter and power bank designed for 12-volt lead-acid batteries. It is engineered to provide a powerful boost to start vehicles and also serves as a portable power source for charging USB devices.
The primary function of the GBX45 is to jump start 12-volt lead-acid batteries, even those discharged down to 3-volts. It features a manual override mode for extremely low-voltage batteries, though this mode disables safety protections like spark-proof and reverse polarity protection. The device also includes a USB-C IN/OUT port with Power Delivery 3.0 technology, allowing it to receive and deliver up to 60W of power. This enables fast charging of the internal battery and efficient charging of compatible USB-C devices like phones, laptops, and power banks. Additionally, it has a standard USB (Output) port for charging other USB devices. The GBX45 is equipped with an ultra-bright LED light offering seven light modes, including 100%, 50%, 10%, SOS, Blink, and Strobe, which can be useful in various situations.
The GBX45 is designed for ease of use with several indicator LEDs and buttons.
To jump start a vehicle, users connect the battery clamps to the GBX45's 12V OUT port, then connect the positive (red) clamp to the positive battery terminal and the negative (black) clamp to the negative battery terminal or vehicle chassis. After ensuring all vehicle power loads are off, pressing the power button initiates the jump start sequence. A 60-second timeout countdown begins once a battery is detected. If the vehicle doesn't start immediately, a 20-30 second wait is recommended before trying again. The unit should not be used for more than five consecutive jump starts within a 15-minute period, with a 15-minute rest period recommended between attempts.
Charging the GBX45's internal battery is done via the USB-C IN/OUT port using the included USB-C charging cable. It can be recharged from any powered USB port, with faster charging achieved using a 60W USB-C Power Delivery 3.0 compatible charger. The charge LEDs indicate the charging progress, pulsing until fully charged, at which point the 100% LED turns solid green. Maintenance charging is indicated by a pulsing green 100% LED. The NOCO Auto Charger (not included) can also be used for fast charging when the vehicle is running.
The device requires minimal maintenance. It should be cleaned and dried immediately if it comes into contact with liquid or contaminants, using a soft, lint-free (microfiber) cloth. Moisture should be avoided in openings. The internal lithium-ion battery is designed to be replaced only by NOCO and must be recycled separately from household waste. Users are advised not to attempt battery replacement themselves or handle damaged/leaking batteries. For optimal battery life, it's recommended to avoid charging the product for more than a week at a time and to disconnect it from power sources when not in use. The product should be stored in a dry location on a flat, secure surface, away from high concentrations of dust or airborne materials, and within the recommended storage temperature range. If the product becomes damaged, malfunctions, or comes into contact with any liquid, discontinue use and contact NOCO support. Any modifications to the product will void the warranty.
| Brand | NOCO Genius |
|---|---|
| Model | GBX45 |
| Category | Remote Starter |
| Language | English |












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