How To Charge Two Batteries With One Solar Panel
There are a few charge controllers that have now added the default option of having two battery banks.
How to charge two batteries with one solar panel. Divide the wattage of the solar panel by the voltage of the battery to get the number of amps your charge connector needs to handle. To wire two or more solar panels and batteries in parallel simply connect the positive terminal of solar panel or battery to the positive terminal of solar panel or battery and vise versa respectively as shown in the fig below. You can charge two batteries together you can charge them either in series or in parallel. To charge a battery with a solar panel connect a charge connector to the solar panel.
You haven t said what kind of batteries they are and that matters as to how they should be charged. But i d suggest you use a proper charger circuit to do it. In what way are they connected series or paralell no both batteries will equal out once power starts coming from the solar panel you do not have to charge each seperately. Most solar charge controllers will only allow you to charge one battery.