Abstract: An electronic seatpost for an electrically power assisted bicycle, includes an outer tube, an inner tube disposed in the outer tube and movable upwardly and downwardly relative to the outer tube, a lifting assembly mounted to the inner tube, and a wireless control module. The lifting assembly includes a valve body, a valve member disposed on the valve body, and a control motor connected to the valve member. The wireless control module includes a protective member and a wireless unit disposed in the protective member. The wireless unit is electrically connected to the control motor of the lifting assembly. The electrically power assisted bicycle is equipped with a bracket and an assist device mounted to the bracket. The wireless control module is accommodated between the assist device and the bracket so as to maintain signal transmission and to prevent the wireless unit from being damaged by moisture or impact.