The utility model relates to the technical field of rolling gate equipment. More specifically, the present utility model relates to a method for manufacturing, the utility model relates to a standby power supply access device of an electric roller shutter. The system comprises a first alternating current contactor KM1, a second alternating current contactor KM2, a first air switch HK1, a second air switch HK2, an indoor protection device, an outdoor protection device, an inverter I1, a storage battery and a plurality of prompting devices for prompting power supply, the first alternating current contactor KM1, the second alternating current contactor KM2, the first air switch HK1 and the second air switch HK2 are all arranged in the outdoor protection device. The inverter I1 and the storagebattery are both arranged in the indoor protection device; the input end of the inverter I1 is electrically connected with the storage battery; the output end of the inverter I1 is electrically connected with the standby power supply; the first alternating current contactor KM1 is connected with the prompting device in parallel, and the second alternating current contactor KM2 is connected with the prompting device in parallel. The electric roller shutter is simple and convenient in wiring mode and low in equipment consumption cost, and the electric roller shutter can also operate normally incase of tripping power failure.