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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sh410 wrote:
A fully charged battery at rest 12.6V. The 13.5V you are seeing is a surface charge.
Great catch. :@
