NOCO GBX155 Boost X 4250A Jump Starter | USB-C PD | UltraSafe 2.0 | For Gas & Diesel Off-Road Vehicles 4250A Portable Lithium Jump Starter with Turbo-Charge, Reverse Polarity Protection & LED Flashlight

The NOCO Boost X GBX155 is a powerhouse 4250-amp portable lithium jump starter engineered for serious off-roaders, diesel trucks, and high-performance vehicles. Designed for gas engines up to 10.0L and diesel up to 8.0L, it’s your ultimate tool for remote recovery and extreme conditions.

Fast Charge & Power on Demand
Thanks to advanced USB-C Power Delivery, the GBX155 recharges from 0 to full in just 2.7 hours—or delivers enough boost power in as little as 5 minutes. Need to power your devices? The integrated 60W USB-C port transforms the GBX155 into a robust power bank for laptops, tablets, GPS units, and radios.

Safety First with UltraSafe 2.0
Featuring UltraSafe 2.0 technology, the GBX155 offers spark-proof connections and reverse polarity protection, ensuring safe operation even in high-stress situations. Thermal efficiency improvements keep the unit cool and reliable during repeated starts.

Designed for the Demands of Off-Road Life
Built rugged and compact, the GBX155 handles race, desert, and trail conditions. The powerful 500-lumen LED flashlight offers multiple modes including strobe and SOS for emergencies or night repairs.

Key Features:
✅ 4250A peak current—ideal for gas engines up to 10.0L and diesel up to 8.0L

✅ Turbo-chargeable via 60W USB-C PD—jump ready in 5 minutes

✅ UltraSafe 2.0—spark-proof, reverse polarity protection

✅ Doubles as a 60W USB-C power bank for laptops, tablets, and more

✅ 500 lumen LED flashlight with SOS and strobe modes

✅ Rugged, compact design for off-road and heavy-duty environments

Why Buy from Fenix Motorsports

At Fenix Motorsports, we’re committed to delivering products that perform when it matters most. We specialize in high-quality gear trusted by desert racers, overlanders, and off-road enthusiasts who demand reliability and power.