When your vehicle’s battery dies, having a reliable jump starter can make all the difference. The NOCO Boost X GBX155 is built for high performance, offering 4,250A peak current to start gasoline engines up to 10.0L and diesel engines up to 8.0L. Whether you’re driving a truck, SUV, boat, or RV, this jump starter is designed to handle larger vehicles with ease.
Beyond its impressive power, the GBX155 features advanced UltraSafe technology, ensuring a spark-free connection and built-in safety protections. Additionally, its durable construction and IP65 water-resistant rating make it a great option for outdoor and emergency use.
In this review, we’ll dive into the performance, features, and real-world usability of the NOCO GBX155. Is this the ultimate jump starter for heavy-duty applications? Let’s find out.
- X for Extreme – An all-new design with extreme jump starting power for powerful engines starts. Rated at 4250-amps, this…
- Turbo Chargeable – Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fas…
- Charge Everything – With USB-C Power Delivery, you have the power to charge almost everything. Its internal power bank p…
- UltraSafe 2.0 – We took our UltraSafe technology and made it better. It’s still our simple, mistake-free design featurin…
- Maximum Versatility – Boost X is one of the most versatile lithium jump starters ever. Jump start all vehicle types, inc…
Technical Features of the NOCO GBX155
Unmatched Power and Performance
The NOCO Boost X GBX155 delivers an impressive 4,250A peak current, making it one of the most powerful jump starters available. Designed for large gasoline (up to 10.0L) and diesel (up to 8.0L) engines, it ensures quick and reliable starts, even in extreme conditions. Whether you drive a truck, RV, boat, or heavy-duty SUV, this device is built to handle it.
Advanced UltraSafe 2.0 Technology
NOCO integrates UltraSafe 2.0 technology, providing a spark-proof connection and reverse polarity protection to prevent damage to your vehicle’s battery. This makes it an ideal option for both beginners and experienced users, ensuring safe operation every time.
Versatile Power Bank Functionality
- Integrated USB-C Power Delivery (PD) for fast recharging and device charging (laptops, smartphones, tablets).
- Power bank capability with USB-A and USB-C outputs to charge multiple devices.
- Fast recharge with 60W input, fully charging in under 2 hours when using a compatible charger.
Durable and Weather-Resistant Design
- IP65 water-resistant rating: Built to withstand harsh weather conditions.
- Robust construction: Designed for long-lasting durability, perfect for off-road and outdoor use.
- Compact and portable: Despite its power, it remains easy to store in your vehicle.
High-Brightness LED Flashlight
- 400-lumen LED flashlight with seven modes, including SOS and emergency strobe.
- Perfect for nighttime emergencies, roadside repairs, or camping trips.
Smart Display and User-Friendly Interface
- Easy-to-read digital display shows battery percentage and operational status.
- Intuitive one-button operation, making it simple to use even for first-time users.
The NOCO GBX155 is more than just a jump starter—it’s a powerful, all-in-one emergency tool that ensures you’re prepared for any situation on the road.
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Benefits of the NOCO GBX155 Jump Starter
Extreme Power for Large Engines
With 4,250A peak current, the NOCO GBX155 can jump-start gasoline engines up to 10.0L and diesel engines up to 8.0L, making it ideal for trucks, boats, RVs, and other heavy-duty vehicles. Whether you’re dealing with extreme cold or a completely dead battery, this device ensures quick and reliable engine starts.
Built for Harsh Conditions
Unlike standard jump starters, the GBX155 is IP65 water-resistant, meaning it can handle rain, dust, and rugged outdoor environments. Its durable housing and rubberized coating provide added protection, making it shock-resistant and long-lasting.
UltraSafe Technology for Maximum Protection
NOCO’s UltraSafe 2.0 technology ensures a spark-free connection, eliminating the risk of short circuits or incorrect connections. It also features reverse polarity protection, making it safe for beginners and experienced users alike.
Fast Charging & Multi-Device Power Bank
Beyond jump-starting, the GBX155 doubles as a power bank with USB-C and USB-A ports, allowing you to fast-charge smartphones, tablets, laptops, and more. With 60W USB-C Power Delivery (PD), the unit recharges fully in under 2 hours, ensuring it’s ready when you need it.
High-Brightness LED Flashlight for Emergencies
Equipped with a 400-lumen LED flashlight featuring 7 light modes, including SOS and strobe, the NOCO GBX155 is perfect for nighttime roadside emergencies or camping trips.
Comparison with Other Jump Starters
The NOCO GBX155 stands out as one of the most powerful and rugged jump starters on the market, thanks to its 4,250A peak current and durable construction. However, with so many options available, it’s important to compare it with other high-performance models to see if it’s the right fit for your needs.
Some competing jump starters may offer higher battery capacities or additional features like built-in air compressors, while others focus on smaller, more portable designs for everyday use. Depending on your vehicle type and intended use, you might find another model that better suits your needs.
In this section, we’ll compare the NOCO GBX155 with other heavy-duty jump starters, highlighting the differences in power, design, and extra functionalities to help you make an informed decision.
Explore Other NOCO Models
NOCO, an American brand, is known for its cutting-edge battery technology, offering powerful, safe, and versatile jump starters. With a lineup that ranges from compact models for everyday drivers to heavy-duty options for professionals and high-performance vehicles, NOCO provides reliable solutions for every situation.
If you’re considering alternative options within the NOCO lineup, there are several models designed to meet different needs. Whether you need a portable jump starter for small cars or a high-powered unit for trucks and large engines, NOCO has a device that fits your requirements.
In our brands section, you can explore more details about NOCO’s top-rated models and their key features. Below, we highlight some of the best options, ensuring safety, reliability, and convenience for every driver
Pros and Cons of the NOCO GBX155 Jump Starter
🟢 Pros
- Powerful Performance – Delivering 4,250A peak current, the NOCO GBX155 can jump-start gasoline engines up to 10.0L and diesel engines up to 8.0L, making it an excellent choice for trucks, RVs, boats, and other heavy-duty vehicles.
- Built for Tough Conditions – Designed with rugged construction and an IP65 water-resistant rating, this jump starter is built to withstand harsh weather, dirt, and outdoor environments, ensuring reliability when you need it most.
- Enhanced Safety Features – Equipped with UltraSafe 2.0 technology, the GBX155 provides spark-proof connections and reverse polarity protection, making it safe and easy to use, even for beginners.
- More Than Just a Jump Starter – This device doubles as a high-capacity power bank, featuring USB-C and USB-A ports for fast charging smartphones, tablets, and other electronics. Additionally, its 400-lumen LED flashlight with multiple modes, including SOS and emergency strobe, adds extra functionality for roadside emergencies.
🔴 Cons
- Higher Price Tag – The NOCO GBX155 comes at a premium cost, making it a larger investment compared to some competitors. While its power and durability justify the price, it may not be the best option for those on a tight budget.
- Concerns About Longevity – Some users have reported that lithium jump starters, including NOCO models, may experience a decline in battery performance over time, with a lifespan ranging from 12 to 16 months, depending on usage and maintenance.
- Larger and Less Portable – While compact for its power class, the GBX155 is bulkier than many standard jump starters, which may make storage challenging in smaller vehicles or for those looking for an ultra-portable option.
User Reviews of the NOCO GBX155
The NOCO GBX155 Jump Starter has received strong praise for its power, reliability, and ease of use, though some users have reported longevity concerns and a higher price point. Here’s what customers are saying:
- X for Extreme – An all-new design with extreme jump starting power for powerful engines starts. Rated at 4250-amps, this…
- Turbo Chargeable – Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fas…
- Charge Everything – With USB-C Power Delivery, you have the power to charge almost everything. Its internal power bank p…
Positive Feedback
★★★★★ (5/5)
«I’ve used it multiple times, and it performs flawlessly every time. It’s small, powerful, and incredibly easy to use. Definitely a must-have for emergencies!»
★★★★★ (5/5)
«This thing is a beast! It jump-started my 6.4L diesel engine effortlessly. I was skeptical at first, but it proved its worth. Highly recommended!»
★★★★☆ (4.5/5)
«The compact size makes it easy to store in my truck, and the power it delivers is impressive. The only downside is that it takes a little longer to recharge.»
★★★★☆ (4/5)
«Great performance overall. It’s very easy to use, even for someone with no experience. The flashlight is a great extra feature for nighttime emergencies.»
Areas for Improvement
★★★☆☆ (3.5/5)
«Worked great for about 23 months, but then it stopped holding a charge. I expected it to last longer for the price.»
★★★☆☆ (3/5)
«The GBX155 is expensive compared to other jump starters. It’s powerful, but you might not need this much power unless you have a large vehicle.»
★★★☆☆ (3/5)
«It’s bulkier than I expected. Not a dealbreaker, but if you have limited storage space, you might want to consider a smaller model.»
What’s in the Box?
The NOCO GBX155 Jump Starter comes with everything you need for reliable jump-starting and emergency power. Inside the box, you’ll find:
- NOCO Boost X GBX155 Jump Starter – A high-performance 4,250A jump starter capable of handling gas engines up to 10.0L and diesel engines up to 8.0L.
- Heavy-Duty Smart Jumper Cables – Equipped with UltraSafe 2.0 technology, providing spark-proof connections and reverse polarity protection for a safe and hassle-free jump-start experience.
- USB-C Charging Cable (60W Input/Output) – Allows for fast recharging of the device and power delivery for external devices like smartphones, tablets, and laptops.
- 12V Power Adapter – Enables charging from a vehicle’s 12V outlet, making it convenient for on-the-go use.
- User Manual & Safety Guide – Step-by-step instructions for jump-starting, charging, and maintaining the device properly.
With this complete kit, the NOCO GBX155 ensures you’re fully prepared for unexpected battery failures, whether at home, on the road, or in extreme conditions.
How to Use the NOCO GBX155 Jump Starter
The NOCO GBX155 is designed for quick, safe, and easy operation, making it user-friendly for both beginners and experienced drivers. Follow these step-by-step instructions to jump-start your vehicle and maximize its lifespan with proper maintenance.
How to Jump-Start Your Vehicle
1 – Check the Battery Level
2 – Connect the Jumper Cables
- Attach the red clamp to the positive (+) battery terminal.
- Attach the black clamp to the negative (-) battery terminal or a metal ground surface.
- The UltraSafe 2.0 system will verify the connection and indicate when it’s safe to proceed.
3 – Power On the Jump Starter
- Press the power button, and wait for the device to indicate ready status.
4 – Start Your Vehicle
- Try to start the engine. If it doesn’t start on the first attempt, wait 30 seconds and try again.
5 – Disconnect and Store
- Once the engine is running, remove the clamps in reverse order (black first, then red).
- Store the jump starter and cables in a safe place for future use.
How to Use as a Power Bank
- Plug your device into the USB-C or USB-A port for fast charging.
- Charging starts automatically, keeping your devices powered on the go.
- The GBX155 supports 60W USB-C Power Delivery (PD), allowing it to charge laptops, tablets, and smartphones efficiently.
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Maintenance Tips for Longevity
To keep your NOCO GBX155 Jump Starter in top condition, follow these simple maintenance tips:
- Recharge Regularly – Charge the device every 3 months, even if not in use, to maintain battery health.
- Store in a Safe Location – Keep it away from extreme heat, direct sunlight, or freezing temperatures to prevent battery degradation.
- Inspect the Clamps & Cables – Regularly check for signs of wear or damage to ensure safe operation.
- Keep It Clean – Use a dry cloth to wipe down the device and prevent dust or debris buildup.
- Test Before Long Trips – Check the battery level before traveling to ensure it’s fully charged and ready to use.
By following these instructions and maintenance tips, you can ensure that the NOCO GBX155 remains a reliable emergency tool for years to come.
Final Evaluation of the NOCO GBX155
- X for Extreme – An all-new design with extreme jump starting power for powerful engines starts. Rated at 4250-amps, this…
- Turbo Chargeable – Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fas…
The NOCO GBX155 Jump Starter is a top-tier option for drivers who need power, reliability, and durability in a single device. With a peak current of 4,250A, it can easily jump-start gasoline engines up to 10.0L and diesel engines up to 8.0L, making it ideal for heavy-duty vehicles, trucks, boats, and RVs.
One of its standout features is its rugged, IP65-rated construction, which ensures it can withstand harsh weather conditions and rough handling. Additionally, its UltraSafe 2.0 technology provides spark-proof connections and reverse polarity protection, making it a safe and user-friendly option. The inclusion of USB-C fast charging, a built-in LED flashlight, and a high-capacity power bank further enhances its multi-functional utility.
However, the NOCO GBX155 comes at a premium price, which might not be suitable for budget-conscious buyers. Some users have also reported longevity concerns, stating that the battery may degrade over time with frequent use. Despite these factors, its high power output, durability, and reliability make it a worthy investment for those needing a heavy-duty jump starter.
Ratings and Final Verdict
Jump-Starting Power: ⭐⭐⭐⭐⭐ (5/5) – «Easily starts large gasoline and diesel engines, even in extreme cold.»
Ease of Use: ⭐⭐⭐⭐⭐ (4.8/5) – «Simple operation with an intuitive interface, perfect for all drivers.»
Value for Money: ⭐⭐⭐⭐☆ (4.4/5) – «A high-end jump starter with premium features, but the price may be a concern for some.»
Additional Features: ⭐⭐⭐⭐☆ (4.3/5) – «Great multi-functionality with USB-C fast charging and an LED flashlight, though some users wish it had a built-in air compressor.»
Overall Rating: ⭐⭐⭐⭐⭐ (4.6/5)
«A powerful, durable, and reliable jump starter, perfect for heavy-duty applications and extreme conditions.»
Is the NOCO GBX155 the Right Choice for You?
If you’re looking for a high-performance jump starter that can handle large engines, rough conditions, and provide additional emergency features, the NOCO GBX155 is one of the best options available. Its combination of power, safety, and durability makes it a must-have tool for truck drivers, outdoor adventurers, and emergency preparedness kits.