Although it generally lasts longer than warranty duration, the old battery at some point goes stale, and each new battery expenses around 3000$. Do this for a few mins, after that open up the covers as you did in the past and unload the materials into a plastic bucket. STEP https://edwinjmkif.topbloghub.com/41621033/h1-battery-reconditioning-epsom-salt-misconception-or-reality-h1