X for Extreme - An all-new design with extreme jump starting power for powerful engines 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
Turbo Chargeable - Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges.

Features & Benefits:

• 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, 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
• UltraSafe 2.0 - 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
• 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 10.0-liter gasoline and 8.0-liter diesel engines

Here's What You Get With Boost X -

• GBX155 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,
• 12V USB-C Fast Charger,
• Microfiber Storage Bag,
• 1-Year Warranty