Quote:
Originally Posted by jjzepplin
I have an Optima Yellow Top from 2007 ..a Red Top from 2015
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the yellow top is back when optima was here and made awesome batteries.
the red top is when they went downhill and are in the place they are in now.
You can try your tender on one and then hook up battery cables to the other and that will equal the voltahe and let that tender do its job for a few days.
of course ++ and -- the tenders take a while when doing repairs, so with two battreis itll take some time. After a few days unhook the battery cables and try only charging/repairing the red top.
But, in the end, optimas look cool, ands that is a big reason every oned them, but nowadays there are better ones out there. Look up XS batteries.