Abstract: A battery made up of nickel-cadmium cells includes an indicator for displaying a state of charge comprising sensors for performing continuous measurements of voltage and current and of temperature of the battery, a memory storing at least a history of charge/discharge, a predefined reference voltage, current and temperature, and the measurements and history determined, and a control unit for determining an operation mode of the battery and determining a correction to be applied to the voltage and current measured, calculating a theoretically available capacity of the battery depending on the operating mode and the correction, determining a need for recalibration of the theoretically available capacity of the battery enabling a capacity actually available of the battery to be calculated, and based on the capacity actually available, defining the state of charge of the battery.

Abstract: A battery made up of nickel-cadmium cells includes an indicator for displaying a state of charge comprising sensors for performing continuous measurements of voltage and current and of temperature of the battery, a memory storing at least a history of charge/discharge, a predefined reference voltage, current and temperature, and the measurements and history determined, and a control unit for determining an operation mode of the battery and determining a correction to be applied to the voltage and current measured, calculating a theoretically available capacity of the battery depending on the operating mode and the correction, determining a need for recalibration of the theoretically available capacity of the battery enabling a capacity actually available of the battery to be calculated, and based on the capacity actually available, defining the state of charge of the battery.

Abstract: A device (1) for controlling the charging of a battery (2) of secondary electrochemical cells (7), the device being interfaced between a battery charger (3), the battery, and a piece of electrical equipment (4), and comprising firstly measurement means (6) delivering measurements of a first physical magnitude representative of at least one voltage (V) across the terminals of at least a portion of the battery (2), and of a second physical magnitude representative of at least one temperature (T) of at least a portion of the battery (2), and secondly control means (8) capable of determining, as a function of the measured first and second magnitudes, an electrical reference value enabling the battery (2) to be maintained in a selected state of charge and at a mean temperature substantially below a selected threshold by means of a continuous low current at constant voltage.

Abstract: The present invention relates to a method of and a system for charging at least one supercapacitor that is particularly suitable for balancing supercapacitors.

Abstract: The present invention relates to a method of and a system for charging at least one supercapacitor that is particularly suitable for balancing supercapacitors.