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NOCO

NOCO Boost X GBX155: 4250A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 10.0L Gas and 8.0L Diesel Engines

NOCO Boost X GBX155: 4250A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 10.0L Gas and 8.0L Diesel Engines

$554.92 USD
$554.92 USD
Sale Sold out
Shipping calculated at checkout.

Overview

  • Brand : NOCO
  • Product Dimensions : 8.18"D x 4.84"W x 13.51"H
  • Item Weight : 7 Pounds
  • Amperage : 4250 Amps
  • Peak Output Current : 4250 Amps
  • Battery Cell Composition Lithium : Voltage 12 Volts
  • : Battery Cell Composition Lithium
  • : Voltage 12 Volts
  • Vehicle Service Type ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft See more : Battery Capacity 6750 Milliamp Hours
  • : Vehicle Service Type ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft See more
  • : Battery Capacity 6750 Milliamp Hours

About this item

  • X FOR EXTREME — A new class of lithium jump starters. Rated at 4,250 amps for powerful starts on gas engines up to 10.0L and diesel engines up to 8.0L - built for extreme performance.
  • ULTRASAFE 2.0 — Upgraded spark-proof and reverse polarity protection with enhanced thermal efficiency and power management for even safer operation and extended battery life.
  • TURBO CHARGEABLE — Recharges in just 2.7 hours via USB-C Power Delivery, or gain enough power for a jump start in just 5 minutes - even from a completely depleted battery.
  • 60-SECOND TIMER — Integrated 60-second timer conserves power from its high-voltage design - delivering up to 18 jump starts per charge with extreme energy at every start.
  • CHARGE EVERYTHING — 60-watt USB-C Power Delivery lets you charge phones, tablets, laptops, and more. Dual-direction charging turns Boost X into a high-output portable power bank.
  • INTEGRATED LED FLASHLIGHT — Precision-engineered 500-lumen LED with 7 light modes, including SOS and strobe. Illuminate repairs, emergencies, or low-light environments.
  • WHAT’S IN THE BOX — GBX155 jump starter, heavy-duty clamps, USB-C charging cable, and microfiber storage bag. Backed by a 1-year warranty and engineered in the USA.
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Frequently Asked Questions

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.