I've not done any testing myself but one of the reviewers states 'You could backup at least 30 GB of DATA without recharging the battery.' Though I would guess it would be dependant upon the initial state of your batteries, and the speed of the memory card.
---------------------------------------------------------------------- Fred Widall, Email: mailto:[EMAIL PROTECTED] URL: http://www.ist.uwaterloo.ca/~fwwidall ---------------------------------------------------------------------- On Wed, 23 Mar 2005, Bob W wrote: > how long do the batteries last on a device like that? > Bob >