Modules

Photovoltaic cells produce a low voltage. Many need to be connected in series to give a useful working voltage. Often 36 cells are connected together to give a voltage suitable for charging a 12-Volt battery.

Photovoltaic cells are connected together and protected from mechanical damage and the weather in a unit called a photovoltaic (or solar) module. This is the standard building block for larger photovoltaic systems.

A set of photovoltaic modules connected together to produce a required working voltage and current is called a photovoltaic (or solar) array. The array includes any support structure and interconnections necessary. Larger photovoltaic arrays may be split up into a number of sub-arrays.

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