X for Extreme - An all-new design with extreme jump starting power for powerful engines starts. Rated at 1750-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.
Turbo Chargeable - Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 1.2-hours, or go from 0% to jump starting in just 5-minutes of charge.
Maximum Versatility - Boost X is 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 7.5-liter gasoline and 5.0-liter diesel engines.
Charge Everything - With USB-C Power Delivery, you have the power to charge almost everything. 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.
Here's What You Get With Boost X - GBX55 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack and Power Bank with 60W USB-C Power Delivery, Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, Microfiber Storage Bag, 1-Year Warranty, and Designed in the USA.
Introducing UltraSafe 2.0 - An upgraded version of our original UltraSafe technology. Retaining its user-friendly, error-proof design with spark-proof features and reverse polarity protection, along with improved thermal efficiency and power management for enhanced performance and extended battery life.