> > > It seems high because it's a number I plucked out of thin air! > Actual "maintenance" rate is more likely to be C/20, C/50 or C/100. > Depends > what I decide when I've read all the datasheets. Some NIMH cells spec ZERO overcharge, and some can handle up to C/10 although they don't really like it. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist