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NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof & Reverse Polarity Protection, For Car, Truck, Motorcycle, SUV, Boat, ATV, RV, up to 6.0L Gas & 3.0L Diesel
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NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof & Reverse Polarity Protection, For Car, Truck, Motorcycle, SUV, Boat, ATV, RV, up to 6.0L Gas & 3.0L Diesel
Safely jump start a dead battery in seconds - up to 20 times on a single charge, with spark-proof technology and reverse polarity protection.
NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof & Reverse Polarity Protection, For Car, Truck, Motorcycle, SUV, Boat, ATV, RV, up to 6.0L Gas & 3.0L Diesel
Item #: 877139

NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof & Reverse Polarity Protection, For Car, Truck, Motorcycle, SUV, Boat,

89% of respondents would recommend this to a friend

Item #: 877139
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Safely jump start a dead battery in seconds - up to 20 times on a single charge, with spark-proof technology and reverse polarity protection.
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What Stands Out

UltraSafe Technology
The NOCO Boost Plus GB40 features patented UltraSafe technology, ensuring safe connections with no risk of sparks, making it ideal for anyone, regardless of their mechanical expertise.
High Power Output
With a powerful 1000A peak current, this jump starter easily jump-starts vehicles with up to 6.0L gasoline and 3.0L diesel engines, ensuring reliability even in the most demanding situations.
Versatile Usage
More than a jump starter, the GB40 serves as a portable charger and includes built-in USB ports, allowing users to charge devices on-the-go, making it an essential all-in-one tool.

Product Details

Shop NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof & Reverse Polarity Protection, For Car, Truck, Motorcycle, SUV, Boat, ATV, RV, up to 6.0L Gas & 3.0L Diesel online at a best price in Cayman Islands. B018F2V03U
Battery TypeLithium
Voltage12 volts
Compatible with Vehicle TypeATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft
Battery Capacity2150 milliamp_hours
Amperage1000 A
Peak Output Current1000 A
Automotive Fit TypeUniversal Fit
Item Dimensions D x W x H4.61"D x 8.19"W x 4.21"H (11.7 x 20.8 x 10.7 cm)
Specification MetUL
Brand NameNOCO
Manufacturer Part NumberGB40
ManufacturerNOCO
UPC046221150025
Global Trade Identification Number00046221150025
Number of Items1
Number of Packs1
Unit Count1 Count
Included Components1-Year Limited Warranty, GB40 Portable Car Battery Jump Starter Pack, Heavy-Duty Booster Clamps, Microfiber Storage Bag, USB-C Charging Cable, User Guide for Jump Starter
Item Type NameNOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Lithium Jump Starter Box, Car Battery Booster Pack, Portable Power Bank Charger, And Jumper Cables For 6-Liter Gasoline And 3-Liter Diesel Engines
Model NumberGB40
BrandNOCO
Battery Cell CompositionLithium
Product Dimensions (L x W x H)4.61"D x 8.19"W x 4.21"H (11.7 x 20.8 x 10.7 cm)
Vehicle Service TypeATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft
Package Weight3.1 Pound (1.41 kg)

Who Should Buy?

Suitable For
  • Emergency Preparedness

    Perfect for those who want a reliable backup for unexpected battery failures in their vehicles.

  • Road Trip Enthusiasts

    Ideal for travelers needing a portable charger and jump starter during long journeys or remote locations.

  • DIY Mechanics

    Great tool for DIY enthusiasts requiring a dependable jump starter for various vehicle maintenance tasks.

Not Suitable For
  • Heavy-Duty Vehicles

    Not suitable for starting larger vehicles like trucks or buses that require more powerful jump starters.

Product Description

NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter | Spark-Proof & Reverse Polarity Protection, For Car, Truck, Motorcycle, SUV, Boat, ATV, RV, up to 6.0L Gas & 3.0L Diesel

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Customer Questions & Answers

  • Question: What is the NOCO Boost GB40 and how does it work?

    Answer: The NOCO Boost GB40 is a compact jump starter designed for 6.0L gas engines, featuring a powerful 1000A lithium battery. It works by connecting the jumper cables to the dead battery, allowing you to jump-start your vehicle safely and efficiently. Its UltraSafe technology ensures reverse polarity protection and spark-proof connections, making it user-friendly for everyone. This jump starter is ideal for emergencies, ensuring you can quickly get back on the road without needing a second vehicle.
  • Question: Can the NOCO Boost GB40 charge my devices?

    Answer: Yes, the NOCO Boost GB40 serves as a power bank, allowing you to charge USB devices such as smartphones and tablets. With its 2.1A USB output, you can quickly rejuvenate your devices while on the go, making it a versatile accessory for both roadside assistance and daily use. This feature is perfect for travelers or those who spend time outdoors, ensuring that your essential devices stay powered up in emergencies or during a weekend camping trip.
  • Question: Is the NOCO Boost GB40 safe for all vehicle types?

    Answer: Absolutely! The NOCO Boost GB40 is designed to safely jump-start 12V gas engines, making it suitable for a wide variety of vehicles, including cars, trucks, motorcycles, and boats. Its UltraSafe technology incorporates safety features such as spark-proof connections and reverse polarity protection, minimizing the risk of accidental damage. This makes it an excellent choice for anyone looking for a reliable jump starter, whether you own a sedan or an SUV.
  • Question: How do I properly use the NOCO Boost GB40 to jump-start a vehicle?

    Answer: To use the NOCO Boost GB40, first, ensure it is fully charged. Then, connect the red clamp to the positive battery terminal and the black clamp to the vehicle's chassis for grounding. Once secured, press the 'Power' button on the jump starter to initiate the jump. Wait a moment, then start your vehicle. This user-friendly approach simplifies the jump-starting process, making it accessible for those unfamiliar with traditional jump-start methods.
  • Question: How long does it take to charge the NOCO Boost GB40?

    Answer: Charging the NOCO Boost GB40 typically takes about 3 hours via a standard wall charger. This relatively quick charge time ensures that you can have the jump starter ready for use whenever needed, making it a practical tool for emergency preparedness. The fast charging capability is especially beneficial for those who frequently travel or face unpredictable situations, providing peace of mind knowing that help is not too far away.
  • Question: What accessories are included with the NOCO Boost GB40?

    Answer: The NOCO Boost GB40 comes equipped with jumper cables and a USB charging cable, providing everything you need to jump-start a vehicle and keep your devices charged. Additionally, it features a built-in LED flashlight for added functionality during nighttime emergencies. This combination of accessories makes the GB40 a comprehensive solution for both battery issues and regular charging needs, ensuring you're prepared for multiple situations.
  • Question: Can I use the NOCO Boost GB40 in extreme weather conditions?

    Answer: Yes, the NOCO Boost GB40 is designed to operate effectively in a variety of weather conditions, including extreme cold. Its lithium battery technology enables it to perform reliably in low temperatures, unlike traditional lead-acid batteries that may struggle. This resilience makes it an ideal companion for winter driving or outdoor activities where environmental conditions can be unpredictable.
  • Question: What is the lifespan of the NOCO Boost GB40 battery?

    Answer: The NOCO Boost GB40 is engineered for durability, with a lithium battery that can withstand numerous charge cycles while maintaining its performance. Typically, these batteries can last for several years with proper care and usage. This longevity makes it a wise investment for anyone looking for a reliable jump starter that can be counted on for multiple seasons, providing peace of mind and a safety net in case of emergencies.
  • Question: How portable is the NOCO Boost GB40?

    Answer: The NOCO Boost GB40 is designed for excellent portability, weighing only 2.4 pounds and featuring a compact design that easily fits in a glove compartment or backpack. This lightweight and convenient form factor make it easy to take along for road trips, camping adventures, or everyday commuting. Its portability ensures that you are never caught off guard by a dead battery, providing a reliable solution wherever you go.
  • Question: Where can I buy NOCO Boost GB40 in Cayman Islands?

    Answer: You can purchase the NOCO Boost GB40 from Ubuy in Cayman Islands. As a trusted online retailer, Ubuy offers a wide selection of products, including this premium jump starter. Shopping at Ubuy ensures you find genuine products and access customer support should you have any questions regarding your purchase.

NOCO Jump Starters GB40 Editorial Review

NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter is a versatile and powerful tool designed for a range of vehicles, including cars, trucks, motorcycles, and boats, accommodating up to 6.0L gas engines and 3.0L diesel engines. Many users appreciate its compact design and built-in safety features, such as spark-proof technology and reverse polarity protection, making it user-friendly even for those with little experience. The flashlight and power bank function add extra value, ensuring emergency situations are handled with ease. However, it's advisable to routinely check the battery status as some users noted issues with long-term battery retention during storage.

Customer Reviews & Ratings

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Pros

  • Compact and lightweight design for easy handling
  • Built-in safety features enhance user protection
  • Power bank function is a great additional feature
  • Reliable for jump starting vehicles multiple times
  • Convenient alternative to traditional jumper cables

Cons

  • Accidental flashlight activation can drain battery without notice

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Features & Benefits

  • Lightweight and compact lithium-ion car battery charger jump starter pack
  • Features spark-proof technology and reverse polarity protection for safety
  • Integrated high-output 100-lumen LED flashlight with seven light modes
  • Holds charge for up to one year without being recharged
  • Can recharge personal mobile devices or be recharged by any powered USB port
  • Suitable for gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters

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