Upgrade the starting power in your 2007.5-2018 Dodge 6.7L Cummins with a new battery. There are various indicators that your truck's battery is deteriorating and needs to be changed. Sluggish engine cranking or dim or flickering headlights are often symptoms of a weak battery. Many heavy-duty diesel trucks came equipped with dual batteries. If your truck has two batteries, it is recommended that both batteries are replaced at the same time. 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. XDP carries the top brands such as Odyssey Battery, and more! Shop XDP and upgrade your batteries today!