You have got corroded battery terminals. Motor vehicle batteries have a beneficial plus a detrimental terminal (The 2 terminals that you choose to link jumper cables to when leap-starting a car or truck). Corrosion all over a battery terminal—a powdery buildup that’s typically white, green, or blue—can hamper battery functionality. https://socialbaskets.com/story3524243/the-single-best-strategy-to-use-for-change-car-battery-at-home-service