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Solar panels produce totally free electrical power from the sunshine by converting sunlight to electricity with no shifting parts, zero emissions, and no maintenance. The solar panel, the first part of a Photo Voltaic Electrical Power System, is a collection of specific silicon cells that create electrical power from sunlight. The photons (light particles) produce an electrical present as they strike the surface area of the skinny silicon wafers. A one solar cell generates only about 1/2 (.5) of a volt. However, a normal 12 volt panel about 25 inches by 54 inches will have 36 cells wired in series to produce about 17 volts peak output. If the solar panel can be configured for 24 volt output, there will be 72 cells so the two 12 volt groups of 36 every single can be wired in series, usually with a jumper, allowing the photo voltaic panel to output 24 volts. When below load (charging batteries for example), this voltage drops to 12 to 14 volts (for a 12 volt configuration) ensuing in 75 to 100 watts for a panel of this size.

Multiple [http://solarpanels-cost.org.uk solar panels] can be wired in parallel to enhance latest ability (more power) and wired in collection to boost voltage for 24, 48, or even larger voltage systems. The benefit of employing a larger voltage output at the solar panels is that smaller sized wire dimensions can be utilized to transfer the electrical electricity from the solar panel array to the charge controller & batteries. 

Monocrystalline photo voltaic panels: The most efficient and high-priced solar panels are manufactured with Monocrystalline cells. These photo voltaic cells use very pure silicon and entail a difficult crystal growth process. Prolonged silicon rods are created which are cut into slices of .2 to .4 mm thick discs or wafers which are then processed into specific cells that are wired with each other in the solar panel.

Polycrystalline [http://solarpanels-cost.org.uk solar panels]: Frequently referred to as Multi-crystalline, solar panels manufactured with Polycrystalline cells are a small much less expensive & slightly a lot less efficient than Monocrystalline cells since the cells are not developed in single crystals but in a big block of many crystals. This is what presents them that striking shattered glass appearance. Like Monocrystalline cells, they are also then sliced into wafers to create the specific cells that make up the photo voltaic panel.