Well...final word on this...convinced the client that it was a bad thing to try and charge his batteries with a solar array...not enough space to put a decent size array AND the fact it would be accessable by everyone walking by...damage...... they decided to take my suggestion of removing the entire control section including batteries...and drop into a charging unit...just by off the shelf for that. --------------------------------- Get your email and more, right on the new Yahoo.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist