Forum Discussion
DrewE
Nov 05, 2016Explorer II
Is that 12.5V at the battery, or 12.5V at the furnace? If you have a poor connection somewhere, the voltage at the furnace could easily be a good bit less than at the battery. Making sure all the connections are clean and tight might be all it takes.
As others have said, if it really needs more than 12.5V to work properly, then it's not very useful for operation off of a battery as even a tiny bit less than full charge will drop below 12.5V. (That is, of course, assuming your voltmeter is accurate.)
As others have said, if it really needs more than 12.5V to work properly, then it's not very useful for operation off of a battery as even a tiny bit less than full charge will drop below 12.5V. (That is, of course, assuming your voltmeter is accurate.)
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