AGM Battery Charging THE PRIME DIRECTIVE
I have gotten several communications about AGM battery maintenance. Using solar voltaic charging. The big error I read is that the subject of total and complete recharging is not mentioned. And tha...
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If it is left at 14.4v for long enough, amps will taper to under 0.05 amps, when the 100AH agm battery is still healthy.
When mine was newer I could cran it upto 15v from that 14.7v and 0.05 amps, and amps would again quickly taper to 0.05 amps or less. 15.5v, same thing, it wont accept any more. Done.
Now well past the 650 deep cycle mark, amps will taper to 0.2 and kind of stop there.
Until I do the 50% or deeper discharge and the high amp recharge, then it will now taper to the 0.1 amp range.
I do not fear the occassional overnight plug in at 14.7 volts.
When mine was newer I could cran it upto 15v from that 14.7v and 0.05 amps, and amps would again quickly taper to 0.05 amps or less. 15.5v, same thing, it wont accept any more. Done.
Now well past the 650 deep cycle mark, amps will taper to 0.2 and kind of stop there.
Until I do the 50% or deeper discharge and the high amp recharge, then it will now taper to the 0.1 amp range.
I do not fear the occassional overnight plug in at 14.7 volts.
