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Hallo,
my English is very bad, so I try in German:
Wenn ich meine halb volle 90Ah-Batterie laden will, fängt der Regler auch mit 8-10A an (Bulk), geht dann aber nach einigen Minuten in Absorption, und nach einer Stunde in Float, wo er nur noch mit 2-3A lädt. Erst ein Neustart bringt ihn wieder in die Bulk-Phase. Ist das normal?
Fulli
Hallo Fulli. My German is bad too. Just type into 'google translate', then copy/paste to here. Your post comes out as:
If I want to charge my half full 90Ah battery, the regulator also starts with 8-10A (bulk), but then goes into absorption after a few minutes, and after an hour in float, where it only charges with 2-3A. Only a restart brings him back into the bulk phase. Is that normal?
For an answer, yes it's normal if your target Voltages are normal. If your Absorb and Float V's are being maintained then your mppt can do no more. By all means check with a multimeter, but your battery may not be as discharged as you think.
haben Sie einen guten Tag (Have a good day) :)
Hello JohnC
Thank you for the fast answer!
I took 60Ah from the battery the day before and wanted to recharge it as quickly as possible today. But with Float it takes a long time ....
Here my settings:
Volker
Maybe take another look at your battery specifications and find a better charge profile. Even a manually entered one.
Maybe try raising your 'Float' to 13.8V. Safer, and should show some Amps. Don't overdo it..
