How To Wire A Solar Panel To A Battery

In this simple solar panel wiring tutorial we will show how to connect a solar panel to the solar charge controller battery and direct dc load according to the rating.

How to wire a solar panel to a battery.

Wiring pv panel to charge controller 12v battery 12vdc load. They are usually wired in parallel to preserve the voltage of each panel but you can also wire sets of them together in series to increase the voltage to conform to the voltage of the battery bank if need be. For example a solar panel must be capable of producing 0 5 amp hours of energy per day to maintain the charge on a 50 amp battery. In this situation a battery is relatively simple to install and the installation process won t require much additional equipment.

This means the solar panel each day will have to supply 1 percent of the battery s total amperage to maintain full charge. If you have a storage ready solar system you already have an inverter that can easily integrate a battery into your solar panel system. Then run wires from the battery to the charge connector making sure to match the positive and negative poles. For example your solar panel delivers 18 volts dc and 5 8 amps to the charge controller and the wire length is 40 feet.

Connect the panels of a solar bank together if there are more than one. But solar panels are rated in watts so some simple conversion math is needed. Voltage drop in a single panel system as you can see in the calculation the voltage drop is 4 09 which will reduce the overall power delivered to the charge controller. To charge a battery with a solar panel connect a charge connector to the solar panel.