MAX rate of charge for Flooded Lead Acid Batteries?
My 630 amp hour battery bank (3 strings of 4-12volt batteries) is currently set at 10% MAX charge rate. So 63 amp MAX in bulk.
The labels on my 12 volt batteries state 10-15 amps Bulk.
So, according to my battery labels the max charge rate should be 45 amps max for all three strings, however I realize that with solar you have to make hay while the sun shines and get the batteries charged up as fast as you can with the avail sunshine.
My question is what max charge rate is common for FLA banks? I know it is a ballpark question, relative to many other factors, however just looking for some feedback none the less......
I have read that 10-13% (of 20 hour capacity) max charge rate is a min recommendation. If I have enough solar could you go higher and if so what is the highest some have safely and successfully used?
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