An electric pole pruner, comprising a longitudinal pole extending along a longitudinal direction of the pole pruner; a cutting head provided at a cutting end of the longitudinal pole, the cutting head comprising: - at least a knife configured to move from a starting position to a cutting position when the cutting head is actuated by a pulling, and - a biasing member configured to return the knife form the cutting position to the starting position when the pulling force is no longer exerted on the cutting head, a drive unit provided on the longitudinal pole at a distance from the cutting end, the drive unit comprising: - an electric motor electrically coupled to a power input; - a drum; - an epicyclic gear assembly having at least an input sun gear rotationally coupled with the electric motor, a ring gear and an output planet carrier rotationally coupled to the drum, wherein the gear assembly being configured to reduce rotation speed and to increase torque transmitted from the electric motor to the drum, and a string element coupled to the drum of the drive unit, and to the cutting head, such that rotation of the drum causes the string element to wrap around to drum so as to exert a pulling force on the cutting head so as to actuate it via the string element, wherein the pole pruner further comprises a locking arrangement configured to selectively lock or release the ring gear of the epicyclic gear assembly so as to respectively enable or prevent rotation thereof, and wherein the gear assembly being further configured to convert rotation of the electric motor into rotation of the drum when the ring gear is locked, and to convert rotation of the drum into rotation of the ring gear when the ring gear is released, wherein that the locking arrangement comprises: a brake rotor arranged on the outer periphery of the ring gear, and a brake caliper having at least a brake pad, wherein the brake caliper being configured to selectively lock the ring gear by frictionally engaging the brake pads with the brake rotor, when actuated. a longitudinal pole extending along a longitudinal direction of the pole pruner; a cutting head provided at a cutting end of the longitudinal pole, the cutting head comprising: - at least a knife configured to move from a starting position to a cutting position when the cutting head is actuated by a pulling, and - a biasing member configured to return the knife form the cutting position to the starting position when the pulling force is no longer exerted on the cutting head, - at least a knife configured to move from a starting position to a cutting position when the cutting head is actuated by a pulling, and - a biasing member configured to return the knife form the cutting position to the starting position when the pulling force is no longer exerted on the cutting head, a drive unit provided on the longitudinal pole at a distance from the cutting end, the drive unit comprising: - an electric motor electrically coupled to a power input; - a drum; - an epicyclic gear assembly having at least an input sun gear rotationally coupled with the electric motor, a ring gear and an output planet carrier rotationally coupled to the drum, wherein the gear assembly being configured to reduce rotation speed and to increase torque transmitted from the electric motor to the drum, and - an electric motor electrically coupled to a power input; - a drum; - an epicyclic gear assembly having at least an input sun gear rotationally coupled with the electric motor, a ring gear and an output planet carrier rotationally coupled to the drum, wherein the gear assembly being configured to reduce rotation speed and to increase torque transmitted from the electric motor to the drum, and a string element coupled to the drum of the drive unit, and to the cutting head, such that rotation of the drum causes the string element to wrap around to drum so as to exert a pulling force on the cutting head so as to actuate it via the string element, wherein the pole pruner further comprises a locking arrangement configured to selectively lock or release the ring gear of the epicyclic gear assembly so as to respectively enable or prevent rotation thereof, and wherein the gear assembly being further configured to convert rotation of the electric motor into rotation of the drum when the ring gear is locked, and to convert rotation of the drum into rotation of the ring gear when the ring gear is released, wherein that the locking arrangement comprises: a brake rotor arranged on the outer periphery of the ring gear, and a brake caliper having at least a brake pad, wherein the brake caliper being configured to selectively lock the ring gear by frictionally engaging the brake pads with the brake rotor, when actuated.