You've got corroded battery terminals. Car or truck batteries have a constructive as well as a damaging terminal (the two terminals that you just hook up jumper cables to when bounce-beginning an automobile). Corrosion close to a battery terminal—a powdery buildup that’s usually white, eco-friendly, or blue—can hamper battery operate. https://bookmarkpagerank.com/story18078946/fascination-about-car-battery-charger