> > For ordinary 12V automotive I doubt you'd get any turnover from a > battery at that voltage. Below 10.6V they're considered flat That's no-load voltage. Under heavy load, like starter, voltage can be much lower. When load is removed, voltage slowly rises back. -- KPL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist