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joebedford's avatar
joebedford
Nomad II
Apr 07, 2018

Do battery cutoffs and auto-reset breakers ...

...fail in such a way that they reduce battery capacity? I put a brand new battery in my rig but this morning 20 minutes of furnace dropped the voltage enough that the main circuit breaker tripped ...
ktmrfs's avatar
ktmrfs
Explorer II
Apr 07, 2018
joebedford wrote:
I must be more tired than I thought: .15V and .35V DUH!


well, those results are much more reasonable, but I would still expect to have well under that voltage drop with the load you are drawing, especially on the 0.35V measurement.

I'd check the connections to both the breaker and the switch. I suspect they may be corroded or loose, or if they used the typical crimp connector, a bad crimp that is becoming more resistive.

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