Genie Battery Backup Unit &ndash; Operate your Garage Door Opener and Safety / Security Features During Power Outages &ndash; GBB-BX BACKUP POWER FOR OUTAGES: With this Genie Battery Backup, youll have peace of mind that you can open and close your garage door during power outages. Plus, the safety and security features continue to operate when power is out. UP TO 50 CYCLES: After the initial power outage, this battery backup can perform up to 50 cycles (cycle is a complete open and close of a garage door) in a 24-hour period. CHARGING: Charged and powered by a 3 connector cable between the opener and backup battery unit. VARIETY OF MOUNTING CHOICES: The backup battery has several mounting options to choose from, so it can fit neatly into any garage space. FOR USE WITH: Use this Genie battery backup with a variety of Genie branded Revolution Series garage door openers with 140 volt motors manufactured after January 1, 2013. The serial number prefix on the opener head must begin with 13001 or greater.