Battery state-of-charge indicator
Battery system and electric motor vehicle using the battery syst
Battery system for auxiliary aircraft power
Battery system for marine propulsion unit
Battery system with levelled discharge
Battery temperature compensated battery-charging system
Battery temperature sensing apparatus
Battery thermal runaway monitor
Battery time monitor for cellular telephone
Battery transposition system and method
Battery type and temperature identification circuit
Battery unit and battery energy billing method
Battery voltage equalizer circuit
Battery voltage monitor and disconnection circuit
Battery voltage regulating system
Battery voltage regulating system
Battery voltage regulation system
Battery voltage regulator for vehicles
Battery with memory for storing charge procedure
Battery-charger with adjustable contacts