On Sat, 16 Aug 1997, Richard Piotter wrote: > All three times, it came to almost the full 5v. I don't know if you > tested it under load or what? > > Thanks for pointing out my problem with the design. No, no load at all! I got 4.4V with the calculator off and my meter hooked up to the +5V and GND on the SPinTerface connector. Batteries 90% charged. Tony