Good Sam Club Open Roads Forum: Fifth-Wheels: Battery question
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time2roll

Southern California

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Joined: 03/21/2005

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Posted: 09/22/20 12:55pm Link  |  Quote  |  Print  |  Notify Moderator

Less than 13.2 volts while plugged in says your charging system needs looked at.

BTW get a portable charger on those battery asap before they get sulphated while you get the converter sorted out. If spending money get at least 5 amp rated 10+ amps is better.


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edbehnke

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Posted: 09/22/20 02:10pm Link  |  Quote  |  Print  |  Notify Moderator

State of Charge batteries
lead gel agm

100% 12.70+ 12.85+ 12.80+
75% 12.40 12.65 12.60
50% 12.20 12.35 12.30
25% 12.00 12.00 12.00
0% 11.80 11.80 11.80


eddie and sandie
3402 Montana 2013
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Njmurvin

Simi Valley

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Posted: 09/22/20 03:55pm Link  |  Quote  |  Print  |  Notify Moderator

How do you have them cabled? It's better if you have the trailer's load (+) going to one of the batteries and the ground (-) coming off the other.


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theoldwizard1

SE MI

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Posted: 09/22/20 04:09pm Link  |  Quote  |  Print  |  Notify Moderator

tbax46 wrote:

The meter on my leveling system shows 12.1 and my handheld tester shows 11.8. Should there be this difference?

To answer this question specifically ...

MAYBE ! First, meters are not perfect. The less expensive they are, the less accurate they are, but two different meters should be within a few tenths of a volt ...

... if you are measuring the voltage at the exact same point! The size and quality of the wiring between two different locations can make a big difference in the reading !

garym114

Bluff Dale, Texas

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Posted: 09/22/20 08:43pm Link  |  Quote  |  Print  |  Notify Moderator

Plugged into shore power your batteries should be fully charged.


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