Woodcutter wrote:For the cranks, I think this is an unnecessary source of possible failure. And if in addition you have to turn 2 minutes to have a good charge, I do not see much interest.
Of course it is not an ideal solution it is always cheaper and more economical than solar panels ... they are also fragile not? The ideal might have been the 2 ... but good for $ 100 may not be asking too much!