I've put a copy of the Lifeline Battery Technical manual in;
Files > Batteries, Chargers and Charging
Files > Batteries, Chargers and Charging
Just for reference, a source of info. While this is specific to the characteristic of Lifeline batteries, it is in many ways good information for lead acid AGM specifically and somewhat useful for lead acid in general.
I noted a couple of interesting references in that manual:
Time to Reach Full Charge = [(DOD/100) x Rated Capacity (Ah) ÷ Rated Output of Charger (Amp)] + 2 hours.
This seems to indicate that recharge may be somewhat Peukart independent, contrary of my previous assumption. Perhaps pushing current into is different electro-chemistry than pulling current out.
The battery is fully charged when the current drops below 0.5% of the battery's rated capacity (0.5A for a 100Ah battery).
The 0.5% is definitely specific to Lifeline ( for many batteries 2% would be a more reasonable number) , but illustrates the concept that the way to know when a battery is full is to measure the current. Note this is done in absorption and after the current drops to a constant level.
John A
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Posted by: John Acord <jcacord@gmail.com>
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