To activate the brand new kinetic energy battery, it is recommended to correctly install it in the watch and expose it to sunlight for seven to eight hours. If the battery still cannot be charged after confirmation of correct installation, it is suggested to seek a professional technician to check the negative electrode strip of the watch and the energy storage function of the watch movement for any damages.
If the battery still cannot be charged after confirmation of correct installation, it is suggested to seek a professional technician to check the negative electrode strip of the watch and the energy storage function of the watch movement for any damages.