•CHARGER NOT INCLUDED •Starting Current 1,250 Amps (Peak) •Battery Types 12 Volt Lead-Acid Batteries •Internal Battery 31 Watt-Hour Lithium-Ion •USB Input USB-C: 5V 1.5A/9V 3A/12V 3A/15V 3A/20V 3A •USB Output •USB-A: 5VDC 2.1A Max / 10W Max •USB-C: 5V 3A/9V 3A/12V 3A/15V 3A/20V 3A •Gas Engine Rating 6.5 Liters •Diesel Engine Rating 4.0 Liters •LED Flashlight 100 Lumens •Height: 6.8 Inches (172.72 mm) •Width: 3.3 Inches (83.82mm) •Depth: 2.1 Inches (53.34mm) •Weight (GBX45): 1.30lbs (0.59kg) •Weight (GBX45 & Clamps): 2.16lbs (0.98kg) X for Extreme - An all-new design with extreme jump starting power for fast and powerful engines starts. Introducing a new kind of jump starting experience, featuring our latest PX Lithium Technology that delivers incredible power, ultra-fast charging, and unmatched versatility. This isn't an upgrade. It's a whole new series - BOOST X with more starting power. The new Boost X combines tremendous power with unmatched ease of use and versatility with the powerful PX lithium technology and maximum conductivity. Turbo Chargeable - Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in 48-minutes, or go from 0% to jump starting in just 5-minutes of charge. Power 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 our 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. Compatible - Boost X is one of the most versatile jump starters ever with 1250-amps of starting power for up to 6.5-liter gas and 4.0-liter diesel engines. Here's What You Get With Boost X - GB45 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack with 60W USB-C Power Delivery, Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, Microfiber Storage Bag, and Designed in the USA. •Compact, yet powerful lithium jump starter rated at 1,250 Amps •An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery •An ultra-bright 100 lumen LED flashlight with 7 light modes, including SOS and Emergency Strobe •Recharge your personal devices on the go, like smartphones, tablets, e-watches and more. •Designed for gas engines up to 6.5 Liters and diesel engines up to 4.0 Liters for cars, boats, lawn mowers and more