Shedworking reader Martin Doyle is writing a guide on 'Small 12v solar' installations - ideal for garden offices. "It will try to dispel much of the techno-babble that most 'experts' put in the way," he says. "The reality is that it's simple, but not necessarily cheap. But it is good fun!" Until it appears, here is Martin's video about installing a solar panel on his own shed. Check out the original YouTube page comments for lots more detail.