VEHICULAR BATTERY PACK AND RELATED ASSEMBLY METHOD

A vehicular battery pack (9) comprising a floor (12) configured to define, at least in part, a floor pan (10) of a road vehicle (1); cylindrical electrochemical cells (16), electrically connected to each other and arranged on the inner surface of the floor (12); each of the cylindrical electrochemical cells (16) comprises a lateral surface (17) having a circular cross-section extending along an axis (A) of symmetry; the floor (12) of the support structure (11) has an at least partially curved conformation, which deflects distancing itself from the ground (G) along the longitudinal axis (X) in a direction opposite a normal travel direction (D) of the road vehicle (1); wherein said electrochemical cells (16) are arranged with said respective lateral surface (17) in contact with the inner surface (13) of the floor (12) .