To determine the SOC (state of charge) is harder, you have to implement "Pukets Exponent" (sp?) which basically says you don't get out of a battery what you put in. That makes the problem really easy, get an ACS712 current monitor chip, or read across a shunt with something like an AD8210. You have a 230Ah bank, so I would say anything more than around 20A would be an issue. IIRC as a rule of thumb you charge wet cells at 10% of their AH rating, so for a 140A charging current you would need one heck of a battery bank. Hope someone can point me in a direction.
battery health calculated from how much battery drains on a given consumption compared to a new battery bank.remaining time until empty battery based on "current" consumption.Realtime current charging (alternator, charger, solar panel).Realtime current consumption (broken down in some categories like lights, refrigerator, etc).Some features I would like the monitoring to have: I have 2 battery banks, 1 Start bank and 1 (2x115Ah) service/consumption bank that will deep cycle. I have 3 different chargers (alternator (140A), dual 220V (2x30A) charger and a solarpanel (<35W12V) charger). Does any one have experience with these kind of DC current sensors and can recommend some? (I need different sizes (5,10,30,150)).How can I make the sensor as accurate as possible? (I read someone had used a ADC converter to make the sensor more accurate).
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