AGM Batteries

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pbatten

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Joined
Jul 25, 2018
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1
Replacing old batteries with AGM batteries. Anyone having overcharging problems when you live in your RV?
 

John From Detroit

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Joined
Apr 12, 2005
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24,944
Location
Davison Michigan
HOw old is your RV.  Back last century there was at least one popular model of low end converter that was.. Shall we say.. A bit TOO low end.. And it was well known for overcharging.

But I do not think anything this century will likely have one of those. No longer made. Company sold out and the new owners upgraded and changed the product line.
 

Gary RV_Wizard

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Joined
Feb 2, 2005
Posts
73,938
Location
At our Silver Springs FL home
Not in my 2004.  The charger had no AGM charging profile, even though the coach was factory-equipped with AGMs.

I'll not claim they batteries may not have lasted longer with an AGM-specific charger, but the Xantrex 3-stage (RV 2500) did fine and they lasted about years.

As John notes, if you have an older single stage charger, I would upgrade the charger first. Actually, I would do that no matter what type of battery I installed.
 

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