Thin telephone or bell wire will not work!īatteries are an important element and the heart of any stand alone solar power system, whether that is one using a large array of panels to power a home or a small pico solar system used to power the garden, shed or fish pond.īatteries are needed because of the fluctuating nature of the output being delivered by the PV panels or array. The cables need to be correctly rated for the voltage and power requirements.
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