acceptance charging rate AGM batteries
Hi all, It is generally thought that acceptance rate for a flooded deep cycle battery is about 12.5 amps per 100 amp-hours of capacity once the bank is at 85% state of charge. I know that accept...
Forum Discussion
DESPITE what the manufacturer writes, any controlled voltage charging rate that does not overheat the plates is acceptable for any AGM battery. Period.
Impress 14.4 volts across six cells. How many amperes do you get?
Thermal increase at the POSTS should remain nominal (a very slow gain). I see a 10 degree increase over 30 min charging the lifeline this way.
No the soaked separators elements to not gain temp then transfer it to the plates. It's the other way around. By checking two of the six cell connectors it will reveal a realistic idea of what's going on inside the accumulator.
Using voltage control it is almost impossible to "over-amp" any AGM battery.
When I must recharge my Lifeline, I apply 14.4 volts then do something only after amperage has decreased to <1% of amp hour capacity.
I keep re-telling facts about battery engineers getting carried away with themselves. Micro-managing irrelevant datapoints in order to appease management.
Some of this nonsense is not benign. It's to leverage a customer into purchasing "special" chargers that, guess what (?) OEM profits from.
Thick plates mean a battery can live longer and be released from thin plate excess plate shedding paranoia. Even the hyper thin plate spiral cell batteries tolerate AUTOMOTIVE charging system temperatures and potentially extremely "over voltage recommendation" alternator voltage regulator settings.
Much ado over very little issues of significance.
With high ratio electrolyte telecom batteries, a more important point is to ensure they do not get or remain over-discharged. That's like 100-times more important than futile micromanaging C-rates.
Impress 14.4 volts across six cells. How many amperes do you get?
Thermal increase at the POSTS should remain nominal (a very slow gain). I see a 10 degree increase over 30 min charging the lifeline this way.
No the soaked separators elements to not gain temp then transfer it to the plates. It's the other way around. By checking two of the six cell connectors it will reveal a realistic idea of what's going on inside the accumulator.
Using voltage control it is almost impossible to "over-amp" any AGM battery.
When I must recharge my Lifeline, I apply 14.4 volts then do something only after amperage has decreased to <1% of amp hour capacity.
I keep re-telling facts about battery engineers getting carried away with themselves. Micro-managing irrelevant datapoints in order to appease management.
Some of this nonsense is not benign. It's to leverage a customer into purchasing "special" chargers that, guess what (?) OEM profits from.
Thick plates mean a battery can live longer and be released from thin plate excess plate shedding paranoia. Even the hyper thin plate spiral cell batteries tolerate AUTOMOTIVE charging system temperatures and potentially extremely "over voltage recommendation" alternator voltage regulator settings.
Much ado over very little issues of significance.
With high ratio electrolyte telecom batteries, a more important point is to ensure they do not get or remain over-discharged. That's like 100-times more important than futile micromanaging C-rates.
