I recently unearthed an acquisition from several years ago (and added it to my home_systems web page). I have a TC200, a handheld, battery-powered portable terminal which appears to have been built by IXO, Inc, yet it has a Digital logo on it (so it either was, or was going to be, marketed by Digital). It is powered by a 6v Litium battery, like the kind you find in a Polaroid film pack (but they are not identical -- the battery terminals are in different places). It is called a PolaPulse battery. Does anyone know of a source for this battery nowadays?