I did a web search and found an F84 based charger (http://home.wxs.nl/~j.havinga/BattCharger/BattCharger.htm), but it didn't calculate cell capacity or discharge cells. So has anyone released a PIC NiCd charger design that can fast or pulse charge various numbers of cells? Scott -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu