Although it normally lasts longer than service warranty duration, the old battery eventually goes stale, and each new battery expenses around 3000$. Do this for a couple of mins, after that open up the covers as you did in the past and dump the contents into a plastic bucket. STEP https://felixcdfdz.theobloggers.com/41575428/h1-battery-reconditioning-epsom-salt-myth-or-truth-h1