Connect battery to charge controller in the first step you are going to wire the battery to a charge controller.
Direct connection solar panel to battery.
Connect the negatives to the negatives and positives to the positives.
In the event you have more than one battery connect them in parallel.
Then connect the regulator to the 12 volt battery.
Connecting two solar panels in parallel.
If both panels are rated at the same maximum voltage then you ll get maximum output.
After you estimate your daily use set up the battery that you need.
The same voltage of 13 8 from the charge controller can charge all the battery connected in parallel.
Positive terminal of battery is connected to the positive terminal of charge controller and vice versa for negative terminals.
To power a dual battery system you ll need to connect the panels in parallel.
The battery is connected to the battery terminals of the charge controller same like pv panel wiring i e.
Connect the positive wire from the solar panel to a battery cable with a fusible link between the battery and the solar panel.
Connect the negative wire of the solar panel to the negative terminal of the battery.
Wiring the loads the following step is to wire the loads.
Charge your 12v battery from a solar panel and have your backup powered.
Always connect your solar panels via a regulator.
Same applies to two or more solar panels.