Noco 4250 Amp UltraSafe Lithium Jump Starter • GBX155

Product Details

NOCO Boost X GBX155 is a portable lithium jump starter for 12-volt batteries in vehicles up to 10.0-liters gasoline and 8.0-liter diesel engines, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more.


  • An all-new design with extreme jump starting power for powerful engine starts. Rated at 4250-amps, this portable lithium car battery jump starter releases maximum energy at every start. This isn't an upgrade. It's a whole new series - the Extreme Series.
  • Equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 2.7 hours, or go from 0% to jump starting in just 5 minutes of charge.
  • Charge everything with USB-C Power Delivery. Its internal power bank provides 60 watts of power - both in and out - to effortlessly power your favorite USB-C devices, like phones, tablets, laptops, wearables, and more.
  • We took our UltraSafe technology and made it better. It's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.
  • It's one of the most versatile lithium jump starters ever. Jump start all vehicle types, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more for up to 10.0-liter gasoline and 8.0-liter diesel engines. 

What's In The Box


  • GBX155 Lithium Jump Starter
  • Integrated HD Precision Battery Clamps
  • 24in USB-A to USB-C Cable
  • 24in 12V to USB-C Cable
  • Microfiber Storage Bag
  • User Guide & Warranty Information

Specs: 

  • Starting Current: 4250 Amps (Peak)
  • Battery Types: 12 Volt Lead-Acid Batteries
  • Internal Battery: 99 Watt-Hour Lithium-Ion
  • USB Input: USB-C: 5V 1.5A/9V 3A/12V 3A/15V 3A/20V 3A
  • USB Output: USB-A: 5VDC 2.1A Max / 10W Max / USB-C: 5V 3A/9V 3A/12V 3A/15V 3A/20V 3A
  • Gas Engine Rating: 10.0 Liters
  • Diesel Engine Rating: 8.0 Liters
  • LED Flashlight: 500 Lumens
  • Height: 12.0 Inches (305 mm)
  • Width: 6.9 Inches (175 mm)
  • Depth: 2.7 Inches (69mm)
  • Weight: 5.82lbs (2.64kg)
  • Limited Warranty: 1-Year Hassle-Free Warranty



$369.95
59 in stock
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