Does >anyone know how the strips on the side of batteries telling you how good >the cell >is work? They have a resistive element, and a temperature sensitive LCD material, so it indicates how hot the resistor gets when connected across the battery.=20 -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads