Automatic Technology 69774 Easy Roller Garage Door Opener Battery-Backup is self-charging reserve power-source for the Automatic Technology 86063 EasyRoller Roll Up Garage Door Opener. Able to sustain operations in case of power-outage, the kit includes wiring. Experiments showed it able to resume operation/opening when power cuts off while door is in motion. New from North Shore Commercial Door. Order today!