What are Scrap Solar Cells?

Scrap solar cells are those cells that are damaged or otherwise rendered unsound during the manufacturing process and so are called "scrap" solar cells. These scrap solar cells are essentially 'broken' solar panels, they may have chips, scratches or blemishes that reduce their output. Because they probably don't output full rated power, they are often sold at very cheap prices. Despite their reduced efficiency, you may get more watts for your dollar if you opt to buy scrap solar cells, but from a certified retailer. If you are considering a Solar DIY Project [http://www.solardiytips.com], scrap cells can be an option but make sure you understand the implications of using them.

Advantages and Buying Scrap Solar Panel Cells

Scrap solar cells are can be an advantage in that they are generally much cheaper than standard solar panels as they have lower ratings and are in effect "seconds". Many solar panel retailers offer scrap solar panels for sale although due to their inferior quality, they may not be advertised or on display. It's a good idea to speak directly to the solar panel retailer to see if they have any scrap cells in stock. They may also be able to give you more information on what cells are available and tips on how to obtain scrap panels or work with them. These cells will be cheaper per kilowatt than your typical solar panel. Many scrap solar cell units sell for less than $US3 per kilowatt of output. While they may be cheap, but be sure to check the downsides of purchasing scrap solar cells.

The Problems with Scrap Solar Cells

Firstly, scrap solar panels can have and cause a lot of problems. Apart from not looking "neat", scrap solar cells suffer from reduced efficiency, even when soldered together properly.
You will have to build a much bigger solar panel array than you would when using 100% quality cells to make up the lower efficiency. The scrap cells will require more soldering care than usual probably additional mounting due to the increased size of the solar panel arrays. Scrap solar cells are recommended only for those that are willing to spend a lot more time and effort in building, testing and setting up an array that uses scrap solar cells.
If you are in a position such as a remote block of land where you are not restricted by your construction, then scrap solar cells may well be a cheap option for you.