>> No special precautions needed for low voltage discharge. >> Ordinance style fail modes very rare. > Except with cheap Chinese cells... #@$%$%!#%@$ Do you have any references or experience re this with NimH or NiCd. As, CCC is exactly what would be involved. R -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist