> However a pointer to a battery datasheet or website would have been helpful It would, but finding one takes time, and about the same amount of time regardless of who does does the finding. So why can't the OP do that himself? -- Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist