Battery cap indicator with levered float
Battery capacity indicator for primary battery
Battery capacity prediction method and apparatus using natural l
Battery cartridge having a terminal for transferring information
Battery case leakage detector
Battery cell jacket
Battery charge indicator
Battery charge indicator
Battery charge indicator
Battery charge indicator
Battery charge indicator apparatus and the method of operation t
Battery design for achieving end-of-life indication during elect
Battery electrolyte level indicator
Battery fill-port seal arrangement for hermeticity leakage testi
Battery fill-post seal arrangement for hermeticity leakage testi
Battery having a built-in controller
Battery having indicia for correcting specific gravity determina
Battery having lifetime indicator
Battery identification
Battery identification system