Quote:
Originally Posted by Chance
By the way, I’ve seen data for lithium batteries having a very low self discharge rate, but nothing to suggest AGM is only 1% a month. Are you sure that’s correct?
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From the Concord Battery's website
AGM's have a very low self-discharge - from 1% to 3% per month is usual. This means that they can sit in storage for much longer periods without charging than standard batteries.
The reason for the percentage variance is temperature. For flooded batteries the rate of self-discharge at 104 F degrees is three times greater than the self-discharge at 68 F degrees and so it is with AGMs. It is all about a chemical reaction - the hotter the electrolyte the faster the chemical reaction occurs.
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