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Old 10-19-2020, 08:38 PM   #1
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Low battery

Just got home from camping. Was Plugged into shore power 3 days, got home and batteries half full. Converter problem?
This is first time this has happened.
I have 2 deep cycle batteries
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Old 10-19-2020, 08:55 PM   #2
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Too many variables. Could be bad converter, weak batteries, bad grounds, etc. Start with a digital voltmeter and measure voltage, first with no shore power, then plug in shore power. Voltage should jump up if converter is charging.
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Old 10-20-2020, 05:21 AM   #3
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Just got home from camping. Was Plugged into shore power 3 days, got home and batteries half full. Converter problem?
This is first time this has happened.
I have 2 deep cycle batteries
Check the incoming voltage (120) and the outgoing voltage (12) of the converter. The converter is on a 15/20 amp breaker by its self.
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Old 10-20-2020, 05:57 AM   #4
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Thought....we tripped the breaker when blowdryer was used. I reset outlet, but could something have happened to converter when that happened? I know my batteries are good.
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Old 10-20-2020, 10:19 AM   #5
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Thought....we tripped the breaker when blowdryer was used. I reset outlet, but could something have happened to converter when that happened? I know my batteries are good.
Probably not. But without a voltage tester, to do some diagnostics, everything else is a guess.

Many people have said their batteries are "good", but when they load test them, find out that's not the case.
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Old 10-20-2020, 10:44 AM   #6
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Update...An electrician friend came over. Showed power coming from camper to batteries when plugged in. So, convert seems to be doing its job. But cables were a little loose on one battery. He tightened everything, so hope it is as simple as that! Left it plugged in and will check. The CO/Propane leak monitor quit beeping, so that was good. It is so unhappy when batteries are low. Ha!
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Old 10-20-2020, 11:10 AM   #7
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How many times do you think the batteries were run down to the low point?
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Old 10-20-2020, 11:44 AM   #8
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maybe one other time I am aware of. I keep a little solar charger on it to keep them topped off. they are less than 2 years old.
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Old 10-24-2020, 07:00 AM   #9
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Loose battery cables was problem...over and out
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