... ,this rolling door motor (DC&AC available ) will turn to DC24 battery supply the power automatically Our ... make suitable products to you. 1) manufacture AC, DC, AC and DC Rolling Door Opener, design and ... LOAD CAPACITY450-500 SETS FOR ONE 20GP CONTAINER.AC&DC MOTOR INCLUDEMOTOR,CONTROL SYSTEM,BACKUP BATTERY, ... BUTTON,LOCK BOX, INFRARED SENSOR, ALARM SYSTEM.AC&DC MOTOR LOAD CAPACITY420-450 SETS FOR ONE ...