Quote:
Originally Posted by Sienna
I plugged the TM into my house. Took a volt meter to the batteries ad watched the voltage increase from about 12.8 to the high 13s. Then I unplugged from my house and plugged into my generator Honda ‘em 650 into the 120 volt AC plug. Went to test voltage on batteries and it was working increasing the voltage like when I was plugged into the house. Then the voltage,dropped. So basically I had the TM plugged into a faulty generator putting out 300 volts.
I did read in WFCO 8955 literature since my post that there is voltage protection. With work and living in an home owners association. I can’t take it out until Saturday. I will update what I find then. Just want to prepare for the worst.
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12.8V (at rest) is fully charged. When your voltmeter went up to 13+V, that was just an increase of what is called "surface charge" that your generator is trying to push into the battery. When the voltage "Dropped", that may have been the voltage regulator in your converter realizing that the battery is full (including surface charge) and shut down charging so that it did not over-heat your battery.
Checking the voltage at the batteries while the batteries are charging doesn't tell you much. Check the battery voltage after the battery has rested for at least 12-hours. That allows the battery to absorb the surface charge and give you the real state of charge.
How did you determine that the generator was putting out 300V?