12v from 24v Battery Bank ?
With two 12vs in series and the 24v charger on the other two posts, can you draw 12v at the same time as they are being charged at 24v, from the pos and neg of just one of the batts? If so, will th...
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If you have to spend $100 or so on a DC/DC converter, you might as well spend that going to MPPT from PWM and get the buck converter that comes with the MPPT. (for a long term set-up using 24v)
I was just looking at what you could do with the tools at hand if you were caught with a suddenly dead MPPT controller and have a 24v panel and only a 12/24 PWM controller lying around as a spare. Also when your battery bank is able to become 24v with a wiring change.
Another reason to have two 12v panels instead of one big 24. You can still be 24 but could go 12. However the price of 12s is becoming a problem. :(
I was just looking at what you could do with the tools at hand if you were caught with a suddenly dead MPPT controller and have a 24v panel and only a 12/24 PWM controller lying around as a spare. Also when your battery bank is able to become 24v with a wiring change.
Another reason to have two 12v panels instead of one big 24. You can still be 24 but could go 12. However the price of 12s is becoming a problem. :(
