Introduction
There is perhaps no more helpless feeling on the road than turning the key in the ignition and hearing nothing but a weak click or a slow, struggling crank. A dead battery is one of the most common roadside emergencies, striking at the most inconvenient moments—early mornings, late nights, or in remote locations far from help. Traditional jumper cables, while effective, depend entirely on the presence of another vehicle and a willing stranger. Portable jump starters have emerged as a practical solution, empowering drivers to handle battery emergencies independently. The NOCO Boost GB50 is designed to offer a middle ground in the company’s lineup—more powerful than the popular GB40, yet more portable than the heavy-duty GB70. This article provides an educational overview of this device, exploring its features, design, and practical considerations for those thinking about adding it to their vehicle’s emergency kit.
Product Overview
The NOCO Boost GB50 is a portable lithium-ion battery jump starter that delivers 1,500 amps of peak current for starting a dead 12-volt battery in seconds. It sits in the middle of NOCO’s Boost series, offering a balance of power and portability that makes it suitable for a wide range of vehicles and use cases. The device is rated for gasoline engines up to 7.0 liters and diesel engines up to 4.5 liters, covering most cars, SUVs, trucks, boats, ATVs, and motorcycles.
The GB50 is built around a high-discharge lithium battery with a capacity of approximately 15,000 mAh. This substantial power reserve is designed to provide up to 30 jump starts on a single charge. The device weighs just 2.7 pounds and features a rugged, water-resistant enclosure rated at IP65, making it suitable for life in a vehicle.
Beyond its primary function as a jump starter, the GB50 also serves as a portable power bank with a 2.1A USB output for charging smartphones, tablets, and other devices. It includes an integrated 200-lumen LED flashlight with seven light modes, including SOS and emergency strobe. The device holds its charge for up to one year, ensuring it is ready when needed. The GB50 is supplied with a 1-year warranty and free lifetime customer support.
Key Features
1500 Amps of Peak Power
The GB50 delivers 1,500 amps of peak current, providing sufficient cranking power to start most everyday vehicles. This power output is designed to handle gasoline engines up to 7.0 liters and diesel engines up to 4.5 liters. For context, the GB50 can start engines that the smaller GB40 (1,000 amps, 6.0L gas / 3.0L diesel) cannot handle. The device uses high-discharge lithium technology for safe operation in any climate.
The GB50’s 15,000 mAh battery capacity provides up to 30 jump starts on a single charge, which is 10 more than the GB40’s 20 starts. This extra capacity can be valuable for those who frequently help others or who want additional peace of mind.
UltraSafe Technology
Safety is a primary focus of the GB50’s design. The device is equipped with NOCO’s UltraSafe technology, which provides multiple layers of protection. Key safety features include:
- Spark-Proof Technology: Designed to prevent sparks during connection, reducing the risk of ignition.
- Reverse Polarity Protection: Prevents damage from incorrect connection of the clamps to the battery terminals.
- Hot and Cold LED Indicators: Alert users when the internal battery is outside operating temperatures to protect the batteries and devices.
These features are intended to make jump starting safe and straightforward, even for users with limited technical knowledge. As one reviewer noted, “The safe feature it came with made me very confident”.
Multi-Function Power Bank
The GB50 includes a 2.1A USB output port that can charge smartphones, tablets, and other USB devices. The manufacturer claims the internal battery can provide up to six full smartphone recharges. This feature adds practical value, transforming the device from a single-purpose emergency tool into a versatile power source for daily use. The GB50 also features a micro USB input for recharging.
200-Lumen LED Flashlight with 7 Modes
The GB50 is equipped with a built-in 200-lumen LED flashlight with seven light modes. This is a significant upgrade over the 100-lumen lights found on the GB20 and GB40 models. The light modes include low, medium, high, and emergency strobe and SOS signals. The flashlight can be useful for roadside inspections, signaling for help, or working on a vehicle in low-light conditions. Users have noted that the “built-in flashlight is surprisingly bright and handy for nighttime emergencies”.
Compact, Durable, and Weather-Resistant Design
The GB50’s compact dimensions (approximately 8.6 inches by 3.4 inches by 2.0 inches) and 2.7-pound weight make it easy to store in a vehicle. The unit is housed in a rugged, water-resistant enclosure with an IP65 rating, meaning it is protected against dust and water splashes. A rubberized over-molded casing helps protect the device from impacts and prevents it from scratching vehicle surfaces. The device also includes a microfiber storage bag for keeping the unit and its accessories organized.
HD Precision Boost Clamps
The GB50 includes new HD Precision Boost Battery Clamps designed to easily connect to any 12V lead-acid battery, from lawn mowers to trucks. These clamps are designed for secure and reliable connections. However, some users have noted that the crocodile clips “are very hard to grasp open over the battery lugs for ladies”, which is a consideration for those with limited hand strength.
Long Standby Time
The GB50 is designed to retain its charge for up to one year in storage. This feature is particularly valuable for a device that may sit unused in a glove compartment for extended periods, as it helps ensure the unit is ready when an emergency arises. A user noted that the device “maintains its charge for a very long time”.
1-Year Warranty and Lifetime Support
The GB50 comes with a 1-year hassle-free limited warranty and free lifetime customer support. This provides peace of mind and assurance for buyers.
Materials and Design
The NOCO GB50 is constructed with a focus on durability and user convenience. The exterior features a rugged rubberized over-molded casing that provides impact protection and a secure grip. The device’s IP65 rating indicates it is resistant to dust and water splashes, adding to its suitability for life in a vehicle.
The control interface is designed for simplicity. The unit includes a power button and a light button for controlling the flashlight modes. The micro USB input and USB-A output ports are located on the device, each with a rubberized cover to prevent dust and debris ingress. The front panel features a battery level indicator and a manual override button. The overall design is consistent with NOCO’s signature black and grey color scheme.
The product dimensions are approximately 8.6 inches by 3.4 inches by 2.0 inches, and it weighs just 2.7 pounds.
Performance
The GB50 is designed to provide quick and reliable jump starts for a wide range of vehicles. In real-world testing, the device has been shown to start vehicles with dead batteries quickly and efficiently. A reviewer noted that the GB50 “started a vehicle with a dead battery in seconds”. Another user described it as “powerful enough to start 12V batteries in large vehicles like cars, SUVs and even trucks, all without effort”. A tow truck operator reported that it “does the job every time”.
The GB50’s 1,500-amp peak current is sufficient for most consumer vehicles, including larger SUVs and trucks. One reviewer noted that it “started a jeep in cold weather”. The device’s ability to hold a charge for extended periods has also been praised. A user mentioned that they “keep it plugged into the USB while I drive so it’s ready to go whenever I need it”.
Some users have noted that the clamps can be difficult to open. One reviewer commented that the “crocodile clips are very hard to grasp open over the battery lugs for ladies”. This is a consideration for those with limited hand strength.
Common Uses
Emergency Jump Starting
The primary use of the GB50 is as a roadside emergency tool for jump-starting a vehicle with a dead or weak battery. The process is designed to be simple and safe:
- Connect the HD Precision Boost clamps to the positive and negative terminals of the vehicle battery.
- The device’s safety features will prevent incorrect connections.
- Start the vehicle.
- Once running, disconnect the clamps.
The device’s UltraSafe technology is designed to prevent common mistakes, such as reverse polarity connections, that could damage the vehicle’s electrical system or cause sparks.
Portable Power Bank
The GB50’s USB-A port allows it to charge smartphones, tablets, and other USB-powered devices. This feature can be useful for topping up a phone during a long journey or when access to a wall outlet is limited. The manufacturer claims up to six smartphone recharges per charge.
Roadside Safety and Illumination
The built-in 200-lumen LED flashlight with seven light modes, including SOS and emergency strobe, can be used for roadside inspections, signaling for help, or improving visibility when working on a vehicle in the dark.
Routine Maintenance and Preparation
The GB50 can be kept in a vehicle as a preventive measure, providing peace of mind for drivers who may encounter a dead battery. It can be particularly useful for vehicles that are parked for extended periods or for those who frequently travel in remote areas. One user noted they “charge it every 3 months” and it “lives in the boot”.
Advantages
Powerful Performance for Most Vehicles
The 1,500-amp peak current is designed to handle gasoline engines up to 7.0 liters and diesel engines up to 4.5 liters. This covers most SUVs, trucks, and even many smaller diesel vehicles, making it more versatile than the GB40.
Up to 30 Jump Starts Per Charge
The GB50’s 15,000 mAh battery capacity provides up to 30 jump starts on a single charge. This is 10 more than the GB40’s 20 starts, which can be valuable for those who frequently help others.
UltraSafe Technology
The spark-proof and reverse polarity protection features make the GB50 safe and easy to use, even for those with limited experience.
Multi-Function Versatility
The GB50 functions as a jump starter, a portable USB power bank, and a bright 200-lumen LED flashlight with emergency modes. This multi-functionality adds significant value, making the device useful for more than just emergency jump starts.
Long Standby Time
The device can retain its charge for up to one year in storage, ensuring it is ready when needed.
Compact and Lightweight
Weighing just 2.7 pounds and measuring approximately 8.6 inches by 3.4 inches by 2.0 inches, the GB50 is easy to store in a vehicle.
Brighter Flashlight
The 200-lumen LED flashlight is twice as bright as the 100-lumen lights on the GB20 and GB40 models, making it more useful for roadside emergencies.
Things to Consider
Clamp Design
Some users have noted that the crocodile clips “are very hard to grasp open over the battery lugs for ladies”. This may be a consideration for those with limited hand strength.
Charging Time
The GB50 takes approximately 5 hours to fully charge at 2.1-amps. While this is not excessive, it is longer than some newer models with USB-C fast charging.
Micro USB Charging
The GB50 uses a micro USB input for charging, rather than the newer USB-C standard. This may be a consideration for those who prefer the convenience of USB-C.
Not for the Largest Diesel Engines
While the GB50 can handle diesel engines up to 4.5 liters, it is not suitable for larger commercial diesel engines. For those applications, NOCO offers higher-capacity models like the GB70 and GBX75.
Price Point
The GB50 is generally priced at a premium compared to some budget jump starters, with a typical retail price around $149.95. While it offers a strong feature set and proven reliability, prospective buyers should consider their budget and the specific vehicles they need to support.
Clamp Grip
The HD Precision Boost clamps have a strong spring that may require effort to open fully, which could be difficult for individuals with weaker grip strength.
Comparison With Similar Product Categories
NOCO GB50 vs. NOCO GB40
The GB50 is a step up from the popular GB40. Key differences include:
| Feature | NOCO GB40 | NOCO GB50 |
|---|---|---|
| Peak Amps | 1,000A | 1,500A |
| Gas Engine Rating | Up to 6.0L | Up to 7.0L |
| Diesel Engine Rating | Up to 3.0L | Up to 4.5L |
| Jump Starts Per Charge | Up to 20 | Up to 30 |
| Flashlight Brightness | 100 Lumens | 200 Lumens |
| Weight | ~2.4 lbs | ~2.7 lbs |
The GB50 is better suited for those with larger vehicles or who want additional capacity, while the GB40 is a more budget-friendly option for smaller cars.
NOCO GB50 vs. NOCO GB70
The GB70 is a higher-capacity model with 2,000 amps, designed for gasoline engines up to 8.0 liters and diesel engines up to 6.0 liters. It is heavier (5.0 lbs) and more expensive. The GB50 is more portable and affordable, making it a better choice for most consumer vehicles.
Portable Jump Starters vs. Traditional Jumper Cables
Traditional jumper cables are simple, inexpensive, and do not require charging. However, they depend on the availability of another vehicle with a functional battery. Portable jump starters like the GB50 offer self-sufficiency, allowing a driver to start their vehicle without assistance. They are also safer, with built-in protection against sparks and reverse polarity. The GB50’s additional features, such as the power bank and flashlight, further distinguish it from basic cables.
Maintenance and Care
Regular Charging
The GB50 should be recharged periodically, even when not in use, to maintain battery health. The manufacturer recommends recharging every few months. One user noted they “charge it every 3 months” and it “lives in the boot”. The device can be recharged from any powered USB port, taking approximately 5 hours at 2.1-amps.
Storage
The unit should be stored in a cool, dry place, away from extreme temperatures. The GB50 includes a microfiber storage bag for protecting the unit and its accessories.
Cleaning
The device can be wiped clean with a soft, damp cloth. The rubberized casing and water-resistant design make it resistant to dirt and moisture, but it should not be submerged in water. The clamp terminals should be kept clean and free from corrosion.
Frequently Asked Questions
What vehicles can the NOCO GB50 jump-start?
The GB50 is rated for gasoline engines up to 7.0 liters and diesel engines up to 4.5 liters. This covers most cars, SUVs, trucks, boats, ATVs, and motorcycles.
How many jump starts can I get on a single charge?
The GB50 can deliver up to 30 jump starts on a single charge. The actual number may vary depending on the battery’s condition and the ambient temperature.
How long does it take to charge the GB50?
The GB50 takes approximately 5 hours to fully charge at 2.1-amps. Charging time will be longer with a lower-power USB source.
Is the GB50 safe to use?
Yes, the GB50 is designed with multiple safety features, including spark-proof technology, reverse polarity protection, and hot/cold temperature indicators.
Does the GB50 come with a charger?
The GB50 includes a micro USB charging cable and a 12-volt car charger. It does not include a USB wall adapter.
Can the GB50 charge my phone?
Yes, the GB50 includes a 2.1A USB-A port that can be used to charge smartphones, tablets, and other USB-powered devices.
Does the GB50 have a flashlight?
Yes, the GB50 features a 200-lumen LED flashlight with seven light modes, including emergency strobe and SOS. This is twice as bright as the GB40’s 100-lumen light.
How long does the GB50 hold its charge in storage?
The GB50 is designed to retain its charge for up to one year in storage.
What is included in the box?
The GB50 typically includes the jump starter unit, needle-nose battery clamps, a 12-volt car charger, a micro USB charging cable, a microfiber storage bag, and a user guide.
What is the warranty on the GB50?
The GB50 comes with a 1-year hassle-free limited warranty and free lifetime customer support.
Is the GB50 waterproof?
The GB50 has an IP65 rating, meaning it is protected against dust and water splashes but is not fully waterproof.
How much does the GB50 weigh?
The GB50 weighs just 2.7 pounds.
Final Thoughts
The NOCO Boost GB50 1500A UltraSafe Jump Starter offers a compelling balance of power, portability, and safety features for drivers who need reliable emergency starting capability for a wide range of vehicles. Its 1,500-amp peak output is designed to handle gasoline engines up to 7.0 liters and diesel engines up to 4.5 liters, covering most SUVs, trucks, and many smaller diesel vehicles. The up to 30 jump starts per charge provides ample capacity for emergencies and assisting others. The UltraSafe technology provides multiple layers of protection, including spark-proof connections and reverse polarity protection. The additional functionality as a 2.1A USB power bank and 200-lumen LED flashlight with emergency modes adds versatility, making the device useful beyond its primary role. While the clamp design and micro USB charging may be considerations for some users, the GB50’s strong reputation, proven performance, and comprehensive feature set make it a compelling option for those seeking a dependable, self-sufficient solution for a dead battery. For drivers who want more power than the GB40 but prefer greater portability than the GB70, the NOCO Boost GB50 presents a practical option worth considering.