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Old 11-17-2014, 10:28 PM   #1
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Battery Issue

Ok...for some strange reason, I decided (and glad I did) to check my battery status on the panel and low and behold read 1/3 full! And I'm on shore power to boot. I always thought that as long as you are connected to shore power, then your battery would show full on the panel.
Any thoughts on where I should start checking?
We are going on our week long Thanksgiving trip this weekend and gotta get this fixed.
Thanks.
Jack
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Old 11-17-2014, 10:35 PM   #2
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First, I'd check the battery. Determine that there's water in all cells then I'd load test the battery(s). More than likely, you'll find that your battery took a dump. If your battery is good, then determine whether or not your charger is putting out voltage.

Is this something that just happened or is the rig new, or both?
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Old 11-17-2014, 10:40 PM   #3
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Hi spindrift.
The batteries are brand new Interstate batteries and the our RW is only two months old.
Thanks
Jack
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Old 11-17-2014, 10:41 PM   #4
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Doesn't sound good, anyway to check the convertor to see if it's sending a charge to the batteries?
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Old 11-17-2014, 10:42 PM   #5
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Spindrift, how would I check to find out if the charger is putting out voltage?
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Old 11-17-2014, 11:06 PM   #6
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Use a voltmeter to check the battery and if the converter is on and putting a charge into the battery(s), you should see a reading somewhere in the 13.2 to 14 V range depending on what your battery is calling for.
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Old 11-17-2014, 11:08 PM   #7
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Thanks Tim and Paula.
I have 11.67 volts.


This doesn't sound promising.
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Old 11-17-2014, 11:11 PM   #8
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Keep in the mind that the meter in the coach (most all RVs) is a horrible way to measure the condition of a battery system. A good Trimetric meter or measuring specific gravity is the correct way to maintain batteries
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2015 RW 39MB - Mor/ryde 8K IS with Kodiak Disc brakes. Goodyear G114s on 17.5 Rims. 420 watts Solar on roof, 440 amps of AGM batteries, 2000 watt Magnum inverter wired to sub panel.
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Old 11-17-2014, 11:12 PM   #9
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No, 11.67 Volts means the battery is NOT receiving a charge from the converter
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Tim and Paula
2015 RW 39MB - Mor/ryde 8K IS with Kodiak Disc brakes. Goodyear G114s on 17.5 Rims. 420 watts Solar on roof, 440 amps of AGM batteries, 2000 watt Magnum inverter wired to sub panel.
2016 Ford F-350 DRW - B&W 20k OEM Companion hitch, Firestone Airbags
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Old 11-17-2014, 11:13 PM   #10
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Verify the AC breaker is on feeding the converter in your panel
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2015 RW 39MB - Mor/ryde 8K IS with Kodiak Disc brakes. Goodyear G114s on 17.5 Rims. 420 watts Solar on roof, 440 amps of AGM batteries, 2000 watt Magnum inverter wired to sub panel.
2016 Ford F-350 DRW - B&W 20k OEM Companion hitch, Firestone Airbags
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