How Summer Heat and Winter Cold Affect Your Car Battery

Most drivers assume that winter is the hardest season on their car battery. After all, it is on those freezing mornings when batteries most often fail. But the truth is more complex. Summer heat and winter cold affect your battery in different ways, and understanding these differences is key to keeping your battery healthy year-round. In this guide, we compare how heat and cold impact your car battery and provide tips to protect it in both seasons.