How to Increase Amps in a Solar Panel

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How to Increase Amps in a Solar Panel

You can alter the current output with simple changes to the wiring of your solar panels.You can alter the current output with simple changes to the wiring of your solar panels.

In arranging solar panels, you have two options for modifying the power output, according the Ohm's law. You can either wire multiple panels in series to increase voltage, with current (amps) remaining the same as any one panel, or wire the panels in parallel to increase current, with the voltage output remaining the same as any one panel. If the wiring has to travel a large distance, increasing voltage is a better option. Either way, according to Ohm's law, you will get the same ultimate power output (P=VI).

You can alter the current output with simple changes to the wiring of your solar panels.You can alter the current output with simple changes to the wiring of your solar panels.

In arranging solar panels, you have two options for modifying the power output, according the Ohm's law. You can either wire multiple panels in series to increase voltage, with current (amps) remaining the same as any one panel, or wire the panels in parallel to increase current, with the voltage output remaining the same as any one panel. If the wiring has to travel a large distance, increasing voltage is a better option. Either way, according to Ohm's law, you will get the same ultimate power output (P=VI).

Mount your solar panels so that they face south (or north if located in the southern hemisphere) at an angle that matches your latitude if keeping the panels fixed. Make sure that the site selected does not receive shade throughout the day.

Identify and isolate the two power-output wires from each panel. One will be labeled positive (+) and the other negative (-).

Connect together all of the positive output cables using a single length of shielded wire. Start at the end of your array, farthest from where the charge controller is situated, and connect one end of the wire to the positive terminal on the farthest panel. Strip a small amount of shielding away from the wire to connect the positive output wires of all the subsequent panels to it then cover all exposed wiring with a liberal amount of electrical tape.

Connect a single wire in the same fashion as in step 3 but to the negative wires. You should be left with two wires connecting all the panels, one positive and one negative. Connect these two wires to the corresponding terminals on your charge controller. Wiring the panels in parallel, like this, will output the voltage of any one panel, but will add the current output together.

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