Upgrade the electrical system in your 2017-2022 Ford 6.7L Powerstroke with new batteries. Dual batteries were available on many diesel trucks. If your truck has two batteries, both should be replaced at the same time. Shop XDP today and get a new battery for your vehicle. XDP carries leading battery manufacturers such as Odyssey, and more! Your truck's battery can fail and need to be replaced for a variety of reasons. The indications of a weak battery will often include slow engine cranking and dim or flickering headlights. The average life expectancy of a battery is typically between three to six years. Even under the most ideal conditions, chemical reactions cause batteries to slowly break down.