The modules are equipped with solar cells from Sunpower mounted on the back and are said to have an efficiency of over 22 per cent. The output of the module array, which measures approximately 69 x 63 x 2.5 centimetres, is specified as 102 watts peak. This should generate just over 400 watt hours of energy on a summer's day in our latitudes.
It can be attached using Velcro, zip fasteners, eyelets or Tenax/LOXX buttons. The weight is stated as 4.9 kilograms. The recommended retail price is 859 euros.
Further information is available at: www.solara.de.
Similar systems are also offered by Sunware.

Test & Technology editor