Lou, if you can invest in lighting, then try...
http://www.ge.com/products_services/lighting.html as a starting point to research home LED lighting... You will find the cheapest suppliers are in China, thats where I have been looking to research up on LED bulbs as they seem to be leading the field in LED production and technology at the moment.
A 1 watt LED light is equal to 35~40 Watt bulb.
This is a picture of one of a batch I bought from a UK source. in the shot with it on, thats a 3v button cell, nowhere near the real operating voltage or current. So I can't wait to have one running at operational voltage & current
& yes, that is a £1 coin.
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