Most 12 volt panels put out about 16 to 20 volts so if there is no regulation the batteries will be damaged from overcharging.
Solar panel to controller.
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Positive ground controller featuring innovative mppt maximum power point tracking technology with high tracking efficiency up to 99 maximizing the energy from solar panels to charge your system.
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A charge controller or charge regulator is basically a voltage and or current regulator to keep batteries from overcharging.
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.
If you wire the solar panels to your charge controller first the fuse of the charge controller might blow.
In the first step you are going to wire the battery to a charge controller.
4 stage charging bulk boost float and equalization and temperature compensation increase your battery life and improve your system s performance.
If your charge controller has no fuse you can t use it anymore.
Mohoo solar charge controller 30a solar charger controller 12v 24v solar panel intelligent regulator with dual usb port and pwm lcd display upgraded 4 0 out of 5 stars 213 16 99 16.
It is important to wire this component first before you wire the solar panels.
Mohoo solar charge controller 30a solar charger controller 12v 24v solar panel intelligent regulator with dual usb port and pwm lcd display upgraded 4 0 out of 5 stars 212 16 99 16.