Ours aren't holding a charge either, SG was running about 1.250 and now it's in the red. Tried external charger(s) and can't get them into the good range.
May stop by Tractor Supply in Harrisonburg, VA when I run in to get 3 more solar panels.
By the way FWIW the Harris bat specs indicate 1.265 for a fully charged battery. That's below the norm for true deep cycle batteries.
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2016 Axis 24.1 E-450 6 spd tranny
300 watts portable solar.
200 watts solar on the roof.
Wrangler JK dinghy
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