Originally Posted by Boyd
Pack this visual tid-bit of info. somewhere in a safe place. Head? Below picture is of the positive side of the battery, after four months, without the negative being connected. There's a lot more going on with batteries than I understand. I bet some battery guru in our FR forum knows.
I use the RED/GREEN treated felt washers under the terminals to prevent this. It is sulphuric acid (electrolyte) fumes reacting with the copper terminal and plating out on the plastic battery case. The felt has a neutralizing chemical that stops the reaction.
Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
HAM CALLSIGN - KC3FFW