You have corroded battery terminals. Car or truck batteries Have a very constructive along with a adverse terminal (the two terminals that you simply hook up jumper cables to when bounce-starting up a car). Corrosion around a battery terminal—a powdery buildup that’s commonly white, inexperienced, or blue—can hamper battery function. https://networkbookmarks.com/story18074499/a-review-of-change-car-battery-at-home-service