Thanks, that's what we finally came to also:) > > The reason is current consumption. The lithium batteries store around > 240mAh and the RTC must run months to years without replacing batteries. > > > Isaac --=20 KPL --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .