If you follow the Microchip link there's a picture of a CR3020 3V battery. After changing a fair variety of this style battery in kids toys and other = things around the house it's not a size I was familiar with. My good friends Google and eBay didn't= turn up anything on that=20 size. There is an image of a demo board that has a CR2032 on it. Must have been a= rtistic license on the=20 others. chuckc On 2/16/2012 2:08 PM, PICdude wrote: > Did this veer off my original question? My app will need to be low > power, but will be powered off a car battery. Yes, the regulator is > the bigger part of the power consumption, but the sleep mode is > important here. > > Cheers, > -Neil. > > > Quoting Charles Craft: > >>>> I believe Microchip has one now too. >>>> >>>> >>> Probably: >>> >>> http://www.microchip.com/pagehandler/en-us/technology/realtimeclock/hom= e.html >> What are the specs for a CR3020 battery? >> -- >> http://www.piclist.com PIC/SX FAQ& list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .