To wire the battery requires two further pairs of leads one quite heavy.
Connecting a solar panel to a leisure battery.
Once you ve attached the input wires to the charge connector you should have 2 loose wires each ending in an mc4 connector.
Connect the battery cable to the charge controller.
If it is the usual 12 volt battery set the controller to 13 8volts.
Connecting two solar panels in parallel.
By now it s getting tough to find room for all the cables.
To power a dual battery system you ll need to connect the panels in parallel.
Connect the solar panel to the charge controller.
You can set the desired voltage on the charge controller depending on the capacity of the battery.
Solar panel converting dc electricity for charge or run ac device use inverter.
The dc load light fan etc is directly connected to the charge controller and can be fed up by two power sources.
This allows you to use several panels of less expensive smaller power rating together to achieve the same result as a more powerful panel.
Check the charge controller.
For us though the straw that broke the camel s back was the fitting of a hydraulic levelling system and the requirement for yet another pair of leads to connect to the battery.
Bet it costs a whole lot more than a piece of wire and a fuse holder with fuse.
To wire solar panels together for charging a battery connect the panels in a parallel circuit.
3 step to charge battery with solar panel.
I will also share a few tips you need to know along the way.
Connect battery to charge controller.
Match up the male and female connectors with the opposite ones coming away from the solar panel and snap the mc4 connectors into place.
Connecting charge controller to battery once the voltage has been stabilized by the charge controller it can now be channeled to the battery for storage.
Positive terminal of battery is connected to the positive terminal of charge controller and vice versa for negative terminals.
Connecting a solar panel to your leisure battery may be as simple as attaching a couple of clips but some caravan and motorhome manufacturers provide specific adaptors so it s worth checking with your local dealer before you buy a new panel.
The battery is connected to the battery terminals of the charge controller same like pv panel wiring i e.
Connect the wires from the controller to the solar panel.
Connect the negative wire of the solar panel to the negative terminal of the battery.
Connect the negatives to the negatives and positives to the positives.
Then you decide you want a roof mounted solar panel and a permanently wired second leisure battery.
If both panels are rated at the same maximum voltage then you ll get maximum output.