On Mon, Aug 2, 2010 at 20:35, <warrenwolff at aol.com> wrote: > I do not yet know who manufactured this set of panels. Doesn't matter. No moving parts on the PV panels. Your target is the inverter and/or charge controller (if they charge batteries - many don't any more). Both functions are usually in the same box these days. -- Peter Laws | N5UWY | plaws plaws net | Travel by Train!