Christin Perry is a freelance writer whose work has appeared in numerous outlets, including WeddingWire, The Knot, Parents and Verywell Family. When she's not working, Christin enjoys reading, ...

A charge controller is a voltage or current controller which is used to keep the batteries from overcharging It maintain the rate of voltage and current coming from the solar panel to the batteries.

DDC controllers not only execute the algorithms that form the basis of DDC (control loops), but they also perform the entirety of the BAS sequences of operation. They are literally the brains behind ...