The device according to 71, wherein the casing comprises at least one door configured to allow access to a predefined portion inside the casing itself, said door being configured to allow access to said at least one compartment housing, in use, said at least one battery, said door being movable between an open configuration wherein it allows access to said predefined internal portion of the casing and a closed configuration wherein it prevents access to said predefined internal portion of the casing, said closed configuration of the door determining an insulation of said internal portion of the casing, wherein said door, in said open configuration, allows access to said at least one compartment housing, in use, said at least one battery, and wherein said closed configuration of the door determines an insulation of said at least one compartment housing, in use, said at least one battery.