The winter nights have made us see that we really do need to have lights in our polytunnel (21' x 42') and garden shed (about 10'x12') for doing stuff at night - the whole tunnel would not need to be lit, just the section being worked on). Does anyone have any suggestions for off-the-peg solar systems, which give a good light, for either please. We do have an electric cable layed for some outbuildings, but for the tunnel and shed use would be intermittent so no point going to the expense of laying another power cable.