14 July 2012, 10:23
(14 July 2012, 03:05)Skvez Wrote: There are three main solar technologies and they differ slightly but power from daylight is typically 3% to 10% of the power from sunlight. So while they do produce power in daylight it's pretty pathetic.
111001 what you havn't done is explain what you intend to use your back up power for.
Once we know that we'll be in a better position to advise on size of solar/battery/wind/genset.
Cheers.
I need it to recharge batteries, laptops, kindles. Be nice if it could run a fridge/freezer for a few hours a day, lighting. If it could power a big air compressor too that'd be handy