If you connect your solar array to batteries without overcharge protection you could compromise the life of your batteries.
Solar panel controller.
Solar panel charge controller wiring intro.
The charge controller closely monitors the battery voltage and automatically reduces the flow of energy to the battery bank.
A charge controller or charge regulator is basically a voltage and or current regulator to keep batteries from overcharging.
It regulates the voltage and current coming from the solar panels going to the battery.
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Solar power system wiring steps.
Connect the solar array.
The load is then responsible for the discharging function from the controller if it is connected to the controller.
Connect the inverter to solar battery.
The result is additional 15 30 more power out of your solar array versus a pwm solar controller.
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Connect the pv array.
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Most 12 volt panels put out about 16 to 20 volts so if there is no regulation the batteries will be damaged from overcharging.
Connect the solar battery.
Solar panel charge controller wiring diagram.
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The solar panel connects to the controller through positive and negative leads only creating a charging function when the controller is connected to a battery.