BEST IN CLASS! Spartan Power Made in the USA battery cables are 100% pure copper wire with a flexible rugged PVC jacket . You get what you pay for, NO CCA HERE! A Multitude of Uses: Great automotive cable replacements for any type of motorized vehicle, from trucks and cars to motorcycles and motorhomes, RVs, campers, boats, and golf carts; Ideal for DC applications that involve high-voltage batteries where pure copper is recommended 600 Volt Maximum, Made in the USA, UL Listed, Spartan Power's highest rated cable Crafted from high-grade materials, these car battery cables are exceptionally strong and reliable. Heat and corrosion resistant with superior tensile strength, these cables are built to survive in even the toughest of conditions. The cables also provide superior flexibility for easy installation and compatibility with most battery applications. With up to 100 feet in length, these battery cables make it easy to tackle almost any job. Their non terminated ends means you can use them for whatever you need, while their protective coating keeps them safe from the elements, giving you a cable that will truly last through the years.