Thanks to everyone for their comments! At this point I'm leaning towards just powering the PIC from 4AA cells. The user could use alkaline or nicad as they wish. If they use nicad, they provide their own charger. Again, thanks for the comments! Harold FCC Rules Online at http://www.hallikainen.com ________________________________________________________________ The best thing to hit the internet in years - Juno SpeedBand! Surf the web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today! -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu