Why do battery needs a float current?
I mean, when it's full, floating and there are no loads? To fight the self-discharge, alright. But it draws a bit more than self-discharge would require. I have 300 AH AGM bank, self-discharge ...
Forum Discussion
I would guess your current measuring anomalies are due to the connections. Is that #8 battery booster cable copper coated aluminum or stranded copper? I just bought some 4 AWG booster cables, got them home, and found out they are copper coated aluminum. Also, those jaws are about the worst connector to a bare wire when you look at the amount of surface area in contact.
