The battery-concrete story may be a myth. There may be other factors involved because I had to dispose of two new batteries that sat on the concrete floor for a year. They would not hold a charge. Coincidence? ----- Original Message ----- From: "David VanHorn" To: "Microcontroller discussion list - Public." Sent: Saturday, March 17, 2007 1:20 PM Subject: Re: [EE] Electrolytics and Voltage > > >> >> > This may well be like the "myth" that sitting a car battery on concrete >> > will >> > discharge it. >> > According to several battery manufacturers (and common sense) this is >> not >> > true of modern batteries. >> > They say that it was true for very early batteries, due to their >> > construction, but nobody makes anything like that now. >> >> >> Huh? How is the material the battery is sitting on make any difference? > > > With a modern battery, it dosen't. > With the old glass jar and tar construction, it did, apparently. > But the old data persists, even though it's not relevant to modern > batteries. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist