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CC/CV hold voltage for AGM Battery bank

EWesch

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Joined
Nov 20, 2022
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*** 6 new DieHard AGM31 batteries in an RV ***

I'd like to charge my bank with the CC/CV setting on my Magnum Inverter/Charger. How high can I hold the voltage, while in storage, without causing damage to the batteries?
 
The 31T-AGM Freedom battery is identical, again, no information.
 
Last edited:
In the absence of additional data.

14.6V absorption.
13.6-13.8V short term float (cycling daily to every few days).
13.5-13.6V long term float

Some converters drop to 13.2V for "storage" float. This is fine. You'll just need to run a full charge every 3 months or so.
 
In the absence of additional data.

14.6V absorption.
13.6-13.8V short term float (cycling daily to every few days).
13.5-13.6V long term float

Some converters drop to 13.2V for "storage" float. This is fine. You'll just need to run a full charge every 3 months or so.
Ok, Thanks!

The entire system gets cycled with solar and the alternator when the rig is in use. I just want to make sure everything is where it needs while in storage.
 

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