You have corroded battery terminals. Car batteries have a optimistic and a unfavorable terminal (the two terminals that you simply link jumper cables to when soar-commencing an automobile). Corrosion all around a battery terminal—a powdery buildup that’s generally white, green, or blue—can hamper battery function. It generally leaves adequate juice https://thefairlist.com/story8082684/fascination-about-car-battery-charger