27 Oct '12, 12pm

30-Year-Old Solar Module Performing to Factory Specs via @reworld

30-Year-Old Solar Module Performing to Factory Specs via @reworld

Martin Halloway, a green building designer, had been living without electricity for five years before he purchased his first solar panel in 1980. This exact module, an Arco Solar 16-2000, 33 Watt solar panel, was manufactured in 1979. In 2010, Halloway decided to bring the solar panel down from his roof after 30 years to test it out. It was an oddly crisp, clear day of about 50 degrees Fahrenheit. Halloway's solar panel was designed for a 12-Volt battery (Max. Voltage of 16VDC), so he tested the module by connecting it directly to 12-Volt loads. Halloway's first test was connecting a 35 Watt, 12 Volt incandescent light bulb. The light bulb lit up, passing test number one. Halloway says that his Fluke multimeter showed that with 2.015 amps, the voltage of the module at 14.93 Volts. Next, Halloway connected the Arco Solar Panel to a 4.5 amp, 12 Volt blower. The blower drew 2...

Full article: http://www.renewableenergyworld.com/rea/news/article/2012...

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