Although it typically lasts longer than warranty period, the old battery at some point stagnates, and each new battery prices around 3000$. Do this for a few minutes, after that open the covers as you did previously and dump the materials into a plastic pail. Action 1Wear your protective safety https://howtorestoreacarbatterywi99876.daneblogger.com/34337023/h1-battery-reconditioning-epsom-salt-what-you-require-to-recognize-h1