Being stranded on the side of the road with a dead car battery is undoubtedly frustrating. But fear not, because the NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter is here to save the day.

As part of NOCO’s cutting-edge Extreme Series, this powerhouse device packs a punch with its impressive 4250-amp jump starting power. Say goodbye to those roadside woes and keep reading to discover why the Boost X is the ultimate solution to your battery troubles.

Product Information

Item Dimensions: 8.18 x 4.84 x 13.51 inches

Item Weight: 7.01 Pounds

Amperage: 4250 Amps

LED Lumens: 500 Lumens

Batteries: 1 Lithium Ion batteries required

Includes: Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, 12V USB-C Fast Charger, Microfiber Storage Bag, User Guide

Features & Benefits

Extreme Jump Starting Power

Experience the sheer power of the Boost X with its impressive 4250-amp jump starting capability. No matter the size or type of vehicle, this jump starter will effortlessly bring it back to life, from cars and motorcycles to trucks, ATVs, boats, RVs, and more.

You can even rely on it to handle engines up to 10.0 liters for gasoline and 8.0 liters for diesel. The Boost X has your back, no matter the situation.

Lightning-Fast Recharges with USB-C Technology

Equipped with advanced USB-C technology and power delivery, the Boost X offers lightning-fast recharges. In just 2.7 hours, or even a quick 5-minute charge, you’ll have a fully powered device ready to jump start your vehicle. Say goodbye to long waiting times and hello to efficient recharging capabilities.

Built-in Power Bank for All Your Devices

The Boost X doesn’t stop at jump starting your vehicle. It also doubles as a reliable power bank with 60 watts of power. Whether it’s your phone, tablet, laptop, or even wearables, you can trust the Boost X to keep your devices charged and ready for use.

Its USB-C connection ensures compatibility with a wide range of devices, making it the perfect companion for your on-the-go lifestyle.

Uncompromised Safety with UltraSafe 2.0 Technology

NOCO prioritizes your safety, and the Boost X is a testament to that commitment. Featuring the innovative UltraSafe 2.0 technology, this jump starter offers spark-proof and reverse polarity protection, providing you with peace of mind during every use.

With enhanced thermal efficiency and power management, the Boost X delivers improved performance and longer battery life, ensuring it’s always ready to tackle any battery-related emergency.

Warranty & Service

When you invest in the NOCO Boost X GBX155, you’re not just purchasing a high-quality product, but also peace of mind. With a 1-year warranty, NOCO stands behind the reliability and durability of their jump starter.

Additionally, their dedicated customer service team is always ready to assist you with any questions or concerns you may have. Rest assured knowing that NOCO has your back every step of the way.

NOCO Boost X GBX155

Other Users’ Opinion

Users around the world have praised the NOCO Boost X GBX155 for its exceptional performance and reliability. Many have shared stories of how the Boost X saved them from being stranded, providing a reliable and convenient solution to their battery woes.

Its powerful jump starting capability, fast recharges, and versatile design have earned it rave reviews, making it a favorite among both seasoned drivers and adventure enthusiasts alike.


  • Impressive 4250-amp jump starting power
  • Lightning-fast recharges with USB-C technology
  • Built-in power bank with 60-watts of power for charging other devices
  • Enhanced safety features with UltraSafe 2.0 technology
  • Versatile design for various vehicles and engines
  • Includes essential accessories and a 1-year warranty
  • Proudly designed in the USA


  • Slightly higher price compared to competitors
  • 2.7 hours recharge time may be longer compared to some other jump starters
  • USB-C power delivery may not be useful for all users
  • Slightly bulkier and heavier than other options

FAQ on NOCO Boost X GBX155

Q: Can the NOCO Boost X GBX155 jump starter handle large vehicles and engines?

A: Yes, of course! The NOCO Boost X is designed to handle a wide range of vehicles, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, and even tractors.

It can jump-start engines up to 10.0 liters for gasoline and 8.0 liters for diesel, making it versatile enough for various applications.

Q: Is the NOCO Boost X GBX155 suitable for novice users?

A: Absolutely! The NOCO Boost X is designed to be user-friendly and straightforward, making it suitable for both experienced drivers and novices alike. Its simple interface and clear instructions ensure easy operation, allowing anyone to jump-start their vehicle with confidence.

Q: Is there a hard case sold separately for the NOCO Boost X GBX155?

Yes. You can find it on the NOCO official website at the price of $39.95 at the moment of writing.

Final Verdict

In conclusion, the NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter is a game-changer when it comes to tackling dead batteries.

With its extreme jump starting power, lightning-fast recharges, built-in power bank, and versatile design, it’s the perfect companion for any vehicle emergency.

While it may come with a slightly higher price tag and a longer recharge time, its outstanding performance, safety features, and the peace of mind it provides make it well worth the investment.

Don’t let dead batteries ruin your day—embrace the reliability and convenience of the NOCO Boost X GBX155 and experience the freedom of the open road without the worry of a drained battery.


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Alex holds a Bachelor of Science (BS) in Marketing degree and is a teacher of Italian language for foreign students. He's also a writer, blogger and content marketer. Through SavvyBuyerHub, he provides valuable tips and reviews to help online shoppers choosing the best products and gifts.

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