Corrosion can harm the battery terminals after some time. Greenish residue around the terminals signifies corrosion. Thoroughly clean the terminals as part of the process of changing a car battery. Test your present battery to determine if it states AGM, VRLA or EFB. If it does not condition these acronyms https://socials360.com/story8355801/the-2-minute-rule-for-change-car-battery-at-home-service