How to choose new 8D house batteries.
Existing batteries are 5 yrs old 8D AGM's. after only running my ceiling fan for an hour or two they're discharged down to 12.5V from 13.5. I'm guessing they are nearing the end of their lifespan.How ...
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On the 12.5v after a few hours of fan. Just how big of a fan are we talking here? A single 8-D should run a fan a few hours and barely know it.
