48VDC to 12V~15V DC, 100A~150A

MisterBill2

Joined Jan 23, 2018
27,762
I think there is confusion among us over what the TS means by putting the loads in series.

Here is his original idea:



He is not talking about putting batteries in series, he is talking about putting battery chargers is series.

And has the false impression that all of them will draw the same current always. This cannot work.

He is also has the false impression that you can charge a 12V battery with 12V.
I mentioned that interesting possibility quite a while back, chargers in series. AND I included the caution that it was far from simple or easy. More recently I mentioned the possibility of charging the batteries in series DIRECTLY, with a smart current regulator. This is partly based on the statement that the solar cell array would produce 51 volts some times. Certainly it would require a SMART current controller with a large control range and the ability to sense each battery, and bypass the ones that became charged. Not at all simple or easy! I never said it would be.

AND, not being able to charge a battery to 100% on 12 volts does not mean that it is not charged at all at 12 volts. Or that it will be charged quickly.But it would be charged SOME.
 

Thread Starter

Deepfried

Joined Nov 24, 2024
20
I think there is confusion among us over what the TS means by putting the loads in series.

Here is his original idea:



He is not talking about putting batteries in series, he is talking about putting battery chargers is series.

And has the false impression that all of them will draw the same current always. This cannot work.

He is also has the false impression that you can charge a 12V battery with 12V.
The series plan is already scrapped….

The charge controller accepts variable voltage and adjusts it accordingly to be able to charge a battery. The 12v model could charge with as little as 9V…

Obviously directly connecting a 12v source to a 12v battery isn’t going to charge because there’s no difference in potential.
 
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