Picture posting is enabled for all :)
maplin had some resonably priced ones.
http://www.maplin.co.uk/Search.aspx?criteria=solar&source=15&SD=YSolar-Powered 12V 1.5W Battery Trickle Charger 15GBP• Keep your battery topped up with solar power, even if the weather is overcast or dull • Ideal for cars, caravans, boats etc • Interchangeable connectors: cigarette lighter plug and crocodile clips • Blue flashing LED charge indicator • Durable ABS outer casing • Built-in diode prevents reverse charging • Suction cups for easy mountingDesigned to trickle charge 12V lead acid batteries with no additional running costs. Ideal for cars that will be left standing for long periods, as well as for maintaining batteries in caravans and boats. The built-in blocking diode prevents reverse charging from the battery to the solar panel at night.
there was an idea to create a heat store, using bricks underground. you take the hot air at the top of the greenhouse through a duct using a fan powered by a solar panel! into the ground cavity created and insulated with polystyrene it was the ex army man with the big tash that had a series about going green, it was on last Summer on the BBCwether it worked or not I never found out,
plot 69 he looks like hes a laugh!! What are they pointing at on the landrover?