NOCO GBX55 Boost X — 1,750A 12V Extreme Series Lithium Jump Starter

NOCO GBX55 Boost X — 1,750A 12V Extreme Series Lithium Jump Starter

The NOCO GBX55 Boost X brings Extreme Series performance to a compact, everyday-carry form factor. At 1,750 amps, it handles gas engines up to 7.5 litres and diesel up to 5 litres, and recharges from flat to jump-ready in just 5 minutes via USB-C. Built on a completely new platform, the GBX55 delivers more power, faster recovery, and smarter protection than anything in the original GB lineup.

Key Features

• 1,750A peak starting current — gas engines up to 7.5L and diesel up to 5L; cars, trucks, SUVs, ATVs, boats, RVs, tractors, and more
• Ultra-fast USB-C recharge — fully charges in 1.2 hours; just 5 minutes of charge delivers enough power to jump start
• 60W USB-C Power Delivery — charges phones, tablets, laptops, and wearables both in and out
• Enhanced UltraSafe technology — spark-proof, reverse polarity protected, with improved thermal efficiency and power management for longer battery life
• Extreme Series platform — completely new architecture engineered for maximum energy release at every start

Specifications

• Peak Current: 1,750A
• Compatible Engines: Gas up to 7.5L, Diesel up to 5L
• Recharge Time: 1.2 hours (full); 5 minutes (jump-ready)
• USB-C Power Delivery: 60W in/out
• Warranty: 1-Year Limited

Ideal For

• Everyday drivers wanting compact Extreme Series power in a glove-box-friendly package
• Trucks, SUVs, and light diesel vehicles
• Anyone upgrading from the GB40 or GB70 to the latest Extreme Series technology

Ships from Thunder Battery — Canada's trusted battery and energy storage dealer.