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 life improvement for wireless devices through...

Battery lift magnet control

Battery module switch

Battery monitor

Battery monitor

Battery monitor circuit

Battery monitor with software trim

Battery monitor with wireless remote communication

Battery monitoring means for an implantable living tissue stimul

Battery operated device with a battery life indicator

Battery operated panic alarm wrist watch

Battery operated personal alarm

Battery operated smoke detector electronics

Battery operated temperature warning sensor

Battery operated warning sensor