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June 10, 2013 at 12:00 AM
#67536
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According to Steven Harris there is nothing that can be done for batteries that have hardened sulfated crystals. Sulfation is part of the charge/discharge cycle happens during discharge, but if not recharged soon enough the sulfation becomes permanent.
Episode-1040- Steven Harris on Battery Back Up Systems Part 2 of 2
Episode-1039- Steven Harris on Battery Back Up Systems Part 1 of 2
He states this on one of these two podcast about battery backup banks. He says anything sold for this purpose is a scam. The key is to keep your batteries top off with a 3 stage charge controller.