David VanHorn wrote: > I hate to say it, but it's real. > > http://www.dvanhorn.org/NIMH/Index.php > > For years, I have supported the position that there was no such thing in consumer cells. Well.. I was wrong. > > I recently built a jig for testing battery charger systems under development, and having seen Sanyo's data sheet explaining about the memory effect, and for the first time, a specific set of conditions to bring it about, I couldn't resist. > > I altered my battery test rig to produce the short discharge cycles, and there it is. > > The details are about halfway down the page, with plots of the data. > Your article sure seems to explain the behavior I've had with the AA NiMH cells I use in my camera. Would discharging them through a couple of Kohms do the trick? What, if any, difference is there between charging cells individually, but in the camera they are connected as a 4 cell battery? Good article, thanks. Jim -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.