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 Solar Cells 

The Plugging into the Sun® flexible solar cell is at the centre of a unique range of educational resources and activities.

Assembly kits, activities & experiments:

  • model solar car
  • solar cell tests
  • electric circuit investigations, parallel, series, voltage, current, resistance, power
  • rechargable battery maintenance
  • solar electric clock kit
  • solar powered buzzers, bulbs, motors, LED's, electronic circuits, electromagnet
  • propeller spinners, radio, fan , water pump
  • daylight investigations, movement & inclination of the sun, earth's atmosphere, cloud cover

Tandem-Junction Cell Specifications:

  • thin-film amorphous silicon, 175mm x 60mm [single] & 120mm [double] (less than 1mm thick), easily integrated with other components
  • output 330mA and 1.2V[single] & 2.5V [double] - stable - a usable current/voltage.
  • flexible, virtually unbreakable (the cell should not be folded flat)
  • light-weight [19g & 25g] with pinch terminals, waterproof, high power/weight ratio
  • durable, 20year useful life
  • applicable to all climates because it also responds to light scattered by cloud cover

SPECIAL NOTE: The tandem cells are no longer manufactured by UNISOLAR, however these details are for those who have purchased our solar educational kits pre-2002/3.

The tandem laminates are first generation of this PV technology (effectively two cells in one giving enhanced spectral response so cells respond also to light scattered by cloud cover), and were manufactured by United Solar Systems Corp. based in Troy, MI., USA.

The lastest advance of this technology incorporates three PV layers and is manufactered as triple junction spectrum-splitting PV cells

Electrical connection by: