bbmak Posted May 7, 2007 Report Posted May 7, 2007 Are there website where can I request free photovoltaic cell???? Quote
Steve_hi Posted May 7, 2007 Report Posted May 7, 2007 Very little in life is free you will have to work at getting them. A company letter head and a projected sales volume will probably get them interested in giving you some samples but your presentation will have to look professional.Good luck ;)http://www.photowatt.comSend Email to Photowatt International S.A.http://www.npowercanada.comSend Email to Npower Energieshttp://www.china-solarpower.com/sdp/110301/4/main-1000013.htmlSend Email to Shenzhen Xinhonghua Solar-Energy Co., Ltd (Representative:Angel) Quote
audioguru Posted May 8, 2007 Report Posted May 8, 2007 My electrical Utility gave away free solar garden lights. I got 10 of them.I can see them glow at night but they don't light up anything because they are dim.They have a single 1.2V AA Ni-Cad battery cell and a voltage stepup circuit. The dim LED is amber colour. Quote
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