I have 3 300w solar panels systems... 2 300w solar panel system are connected to 165ah and 1 is connected to 2 110ah battery and each system is connected to 30amp charge controller... Each system is absolutely isolated.
My Question is can I join all the output wires of these 3 charge controllers to the load? I will connect all the positves together and the negatives together of the output, so that i get a single output of these 3 charge controllers. I think this will be a parallel connection and voltage will remain same and current will add up. Will it damage my appliances? I read somewhere that voltage is upon supply and current is drawn by load. Am I correct? I want all these batteries to charge separately by their respective solar panels as all solar panels are of different make and capacities. 2 300w solar panels systems comprises 2 150w panels where as the 3rd 300w solar panel system consists of 1 120w panel, 1 150w panel and 1 30w panel....
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