LiftMaster 8550W Elite Series® DC Battery Backup Belt Drive Wi-Fi® Garage Door Opener


This item is available for Pickup or Local Delivery only. Please call to order or for additional information.

Currently 10 in stock.

The first Wi-Fi Garage Door Opener makes control from your smartphone reassuring and simple. The 8550W comes fully equipped with Security+ 2.0®, MyQ® Technology, Battery Backup and the Timer-to-Close feature. 


  • (2) - 3 button remote controls model #893MAX 
  • (1) - Wall mounted smart control panel model #880LM
  • (1) - Wireless keyless entry outside keypad model #877MAX 
  • (1) - Battery back-up model #485LM
  • 3/4 HP
  • 5-year parts warranty and manufactures limited lifetime warranty on the motor and belt
  • 1-year warranty on battery back-up (485LM)
  • 7' chain drive rail (for use with 7' tall garage doors). 8' rail available for an additional cost
  • Equipped with Wifi and MyQ Technology, which enables you to securely monitor and control your garage door opener and houselights with your smartphone, tablet or computer. No additional components required. 

*Installation is available in Metro Atlanta for an additional $140. Please call to order or schedule an appointment. Shipping is not available on this item. 


  • MyQ Technology now with Wi-Fi, enables secure monitoring and control of your garage door opener with a smartphone, tablet or computer.
  • Alerts can be received as email or pop-up (push) notifications on your mobile device, ensuring the status of the garage door.
  • MyQ mobile app is a free download requiring no annual activation fee.


  • P3™ Motors provide proven reliability and durability.
  • DC Motor Belt System delivers powerful, ultra-quiet performance.
  • Battery Backup ensures access to your garage when the power goes out.
  • Dependable warranty includes lifetime coverage of motor and belt, five (5) years on parts and one (1) year on battery.

Safety and Security

  • Security+ 2.0® safeguards garage access – with every click a new code is sent to the garage door opener ensuring the door does not inadvertently open.
  • PosiLock® locks down the door by electronically monitoring against a forced opening.
  • Timer-to-Close automatically closes the door after a pre-programmed number of minutes.
  • Alert-2-Close Warning System provides audible and visual warnings when a garage door is about to close when using MyQ Technology or Timer-to-Close.
  • Motion Detector is integrated into control panel providing rapid detection and illumination of garage.
  • The Protector System® incorporates safety sensors which emit an invisible light beam across the garage door opening, automatically reversing the door if an object interrupts the beam.