Electronic device suitable for managing the direction of current and battery made up of modules which incorporate said device

The present invention relates to an electronic device allowing forward, reverse or shunted polarization of an electronic component by means of arranging four switches. Another object of the invention is a battery module incorporating said device and a battery (B) made up of said modules, in which managing charge balancing between the modules thereof and between the cells of the same module can be carried out by means of a circuit including a modified bidirectional flyback.