Battery case and secondary battery using the same

Battery charge control system for a hybrid vehicle driven by an

Battery charge indicating circuit

Battery charge indicating circuit

Battery charge monitoring apparatus and method

Battery charging status indication circuit

Battery charging, monitoring and alarm circuit

Battery condition monitoring system for batteries connected in p

Battery control system for electric automobiles

Battery detecting device for a radio pager

Battery discharge level detection circuit

Battery disconnection and abnormal output warning device for tri

Battery discriminator circuit for smoke detectors

Battery electrolyte monitor

Battery failure indicator for a single battery

Battery failure indicator for a single battery

Battery identification for battery packs with inter-cell taps

Battery jumper cable system

Battery lift magnet control

Battery module switch