Bob, Why do you say that NiMH levels itself? I must stress what Russell said - modern high capacity NiMH cannot tolerate ANY constant charge beyond 100% I was burned by this on a product I designed. On Sep 27, 2013 2:59 PM, "Bob Axtell" wrote: > > His stack is only 24V high. Like NiCAD, NiMH levels each cell, unless > the stack is so huge that one or more cells is destroyed by overheating. > > I always monitor the temperature of each 12V increment, though, to catch > a defective cell; I should have said that. > > --BobA > > > > -- > > The only place success comes before work is in the dictionary. > > VINCE LOMBARDI > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .