This is really one of the great products of all time.  I love that it was originally designed to meet third world needs - light where there is no electricity.  Every time we buy one we support the original intent.  My first two Luci lights were defective but they were replaced right away with no charge (excuse the pun.)
Just out of interest to you all, here is another product for the third world that, while being of of no use to campers, is incredibly and brilliantly innovative - the Foldascope:   (You need to Login or Register