The invention discloses an uninterruptible wireless power supply device. The device comprises an energy taking coil, a current transformation and voltage stabilization module, a high-frequency inversion module, a transmitting end resonator, a receiving end resonator, a rectification and filtering module and a hybrid energy storage module which are connected in sequence, wherein the transmitting end resonator is in coupling connection with a signal generation module; and the transmitting end resonator and the receiving end resonator are connected in parallel with a lumped resonator. According to the invention, transmission of energy and signals at different frequencies on the same channel can be realized, the hybrid energy storage module is arranged to control the power supply device to realize high-efficiency, stable and safe energy transmission, and the technical problem of unstable power supply through a storage battery or a solar battery in the prior art is solved.