Connecting two solar panels in parallel.
Direct connection solar panel to battery.
Charge your 12v battery from a solar panel and have your backup powered.
If both panels are rated at the same maximum voltage then you ll get maximum output.
The same voltage of 13 8 from the charge controller can charge all the battery connected in parallel.
After you estimate your daily use set up the battery that you need.
The battery is connected to the battery terminals of the charge controller same like pv panel wiring i e.
Always connect your solar panels via a regulator.
These can be an inverter 12 volts dc box or both.
This will help prevent a fire or battery explosion in the event of a short in the wiring.
How to connect a solar panel to a 12v battery.
Connect battery to charge controller in the first step you are going to wire the battery to a charge controller.
Connect the negative wire of the solar panel to the negative terminal of the battery.
To power a dual battery system you ll need to connect the panels in parallel.
In the event you have more than one battery connect them in parallel.
Same applies to two or more solar panels.
Then connect the regulator to the 12 volt battery.
Positive terminal of battery is connected to the positive terminal of charge controller and vice versa for negative terminals.