Portable electronic watch power supply wrist strap

The utility model discloses a portable electronic watch power supply wristband, which is characterized in that a circuit board is arranged in a dial plate, a battery module connected with the circuit board is embedded on a first watchband, the battery module is a flexible electrochromic battery, so that the watchbands can be bent when being worn, and the circuit board is arranged in the dial plate, so that the watchbands can be bent when being worn. The size and the thickness of the dial plate can be reduced to increase the attractiveness of the dial plate, the linear voltage stabilizing circuit arranged on the circuit board can reduce the risk of overcharge of the battery module, and the display circuit, the control circuit and the amplifying circuit are arranged on the circuit board to increase the anti-interference performance of the circuit. The watchband changes color along with the change of the electric quantity, the dial plate displays the battery capacity, so that the capacitance of the battery modul