Give your 2011-2016 Ford 6.7L Powerstroke a big boost in electrical power with new batteries. XDP carries the top brands such as Odyssey Battery, and more! Shop XDP and upgrade your batteries today! 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, but there are several factors that can have an impact on that estimate. 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.