Abstract: The invention relates to a device to regulate a charge current for a battery, said device being a quadrupole configured to link a battery to a charging device, said device comprising at least a first transistor (M1), said charge transistor, and a thermistor (R1), which are configured to regulate, in association, the charge current of the battery according to the temperature.

Abstract: The invention relates to a battery management system (BMS) for accumulators, the batteries being capable of being constituted by a single element or several single elements which can be arranged in a modular assembly and connected in series or in parallel, and by an electromagnetic or electronic disconnection device connected, on the one hand, to at least one pole of a cell and, on the other hand, to a terminal of the same polarity of a modular assembly or a battery, the BMS comprising at least one single device for detecting deep discharges, overcurrent discharges and short-circuit discharges by measuring the voltage at the battery terminals.

Abstract: The present invention relates to a system for managing accumulator batteries (BMS) of a semi-modular element comprising a plurality of lithium cell elements connected in series to form a line, and comprising at least two parallel lines constituting the semi-modular element, and at least one detection circuit characterized in that the detection circuit comprises at least one discharge or short-circuit detection device and at least one device for monitoring the voltage and temperature of at least one, and preferably all, of the cell elements, the detection circuit controlling a circuit breaker device comprising one switching device per line.

Abstract: The subject matter of the present invention is a modular series-connected battery pack (BIMoSe) consisting of lithium battery cells having the same characteristics, connected in series by connections in a given direction (S) corresponding to the direction of the currents in order to obtain the necessary voltage.