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fla-gypsy

North Florida

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Joined: 04/19/2005

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Posted: 05/21/12 11:06am

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My monitor reads fully charged on a dead battery when plugged into shore power.

09 SuperDuty Crew Cab 6.8L/4.10(The Black Pearl)
06 Keystone Hornet 29 RLS/(The Cracker Cabana)

wa8yxm

Wherever I happen to park

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Posted: 05/21/12 04:20pm

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IS it normal for the panel to show full batteries when plugged in? YES

Why: The panel judges and displays state of charge based upon the system voltage, which is being supplied by the converter when you are plugged in, NOT by the batteires. FULL is 12.6 volts, NORMAL converter output in float mode is 13.6 Somewhat "Over full" far as the panel is concerned.

Nothin adds excitment like something that is none of your business
Kenwood TS-2000 housed in a 2005 Damon Intruder 377

N3YMY

Brunswick, MD

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Posted: 05/21/12 06:36pm

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bikendan wrote:

if i want to get a realistic reading, i unplug and then look at the battery monitor.

For realistic readings (without taking a SG reading), install a trimeteric...

arcsum68

Northern CA

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Posted: 05/29/12 02:29pm

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With the completely dead batteries not hooked up the monitor shows the full charge when plugged into shore power. It's possible the batteries had an internal short causing an issue.

2005 Ford F150 5.4 Super Crew
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plauterer

Manitoba, Canada

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Posted: 05/31/12 08:11am

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A battery thats sitting for two years without being recharged regularly is probably permanently damaged. Get a new battery before you burn up your converter in the trailer.