Sopladora autonomous portable power, comprising at least one propeller (8) generating a flow of air and driven by an electric motor powered by a current source, said blower comprising a conduit air guide (1) consisting of a succession of three tubular portions generally cylindrical, namely a proximal portion or suction nozzle (2) provided with an air inlet (3), a distal portion of air outlet or exhaust nozzle (4) and a central part or intermediate (5), said central portion comprising the following functional subsets housed in said central portion (5) of said air guide conduit (1): - an electric motor with electronic commutation (7) - at least one axial screw (8) driven in rotation by the electric motor and which forms, with the latter, an axial fan (20) - air rectifiers (9) - an electronic card (10) management tool and engine control, said hosted functional assembly being in the central or intermediate portion of said guide passage air with which it is in contact, characterized in that the central part it is a separate part from the other two and is arranged to form a functional assembly (6), monoblock or formed by a group of a plurality of elements made of a good heat conducting material.Sopladora eléctrica portátil autónoma, que comprende al menos una hélice (8) que genera un flujo de aire y accionada por un motor eléctrico alimentado por una fuente de corriente, comprendiendo dicha sopladora un conducto de guiado de aire (1) constituido por una sucesión de tres partes tubulares de forma general cilíndrica, a saber: una parte proximal o tobera de aspiración (2) dotada de una entrada de aire (3), una parte distal de salida de aire o tobera de escape (4) y una parte central o intermedia (5), comprendiendo dicha parte central los subconjuntos funcionales siguientes alojados en dicha parte central (5) de dicho conducto de guiado de aire (1): - un motor eléctrico de conmutación electrónica (7) - al menos una hélice axial (8) accionada en rotación por el motor eléctrico
