LiftMaster Logo

8550WLB

LiftMaster 8550WLB electric garage door opener
LiftMaster Logo

8550WLB

LiftMaster 8550WLB electric garage door opener

Features

The 8550WLB model is the quiestest opener in the LiftMaster® lineup. The integrated battery backup ensures garage access even when the power is out. Equipped with built‑in Wi‑-Fi®, it is possible to control the door with the free myQ® app. This enables the opening or closing of the door via a smart phone or a tablet, wherever you are in the world. Very convenient in case of an oversight or to give access to the garage to a family member or a handyman working in the house.

  • Drive system: Belt drive
  • Horse power: DC
  • Voltage: 120V, 60 Hz
  • Integrated backup battery: Soft start/stop for smooth operation
  • Integrated Wi-Fi® for the easiest way to connect the garage
  • MyQ® Technology allows you to monitor and operate your garage door opener safely using your smartphone.
  • Lighting system: 2 lightbulbs (max.: 100 watts) or compact fluorescent lightbulbs (max.: 26 watts), with adjustable delay
  • ALERT‑2‑CLOSE signals when a door it being closed
  • Door lock capability lets you add up to 2 door locks to your system for added security
  • Additional headroom required: 2" (51 mm)

Warranty*: Lifetime on motor and belt.

* Other parts of the opener are guaranteed for five years (accessories are not covered by this warranty).

* Integrated battery backup, remote and control panel are guaranteed for one year.

* Please refer to manual for details.

Standard security systems

Your security, our priority!

The Protector System®

Project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down. Sensing technology will stop the door from closing if contact is made with a person or object. Opener light turns on automatically when The Protector System's infrared beam is broken.

Alert-2-Close Warning System provides audible and visual warnings that the garage door is about to close when using the Timer-to-Close or remote closing features

LiftMaster Protector System

Interior Manual Release Handle

This handle can be used to manually operate the garage door from the interior in the event of a power outage.

Interior Manual release handle

Security+ 2.0TM

  • Security+ 2.0 rolling code technology assures a new code is sent every time the remote control is used.
  • Patented PosiLock® system ensures the door remains securely locked when the garage door is closed.
Security+ 2.0 Logo

Integrated Battery Backup (485LM)

Door opens when the power is out. After the power goes out, the standby power system will operate the garage door opener for 40 cycles within a 24-hour period.

EverCharge standby power system (485LM)

Warning

Garage doors and garage door openers can be dangerous if not installed and verified by a professional and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.

The Protector System®

Project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down. Sensing technology will stop the door from closing if contact is made with a person or object. Opener light turns on automatically when The Protector System's infrared beam is broken.

Alert-2-Close Warning System provides audible and visual warnings that the garage door is about to close when using the Timer-to-Close or remote closing features

LiftMaster Protector System

Interior Manual Release Handle

This handle can be used to manually operate the garage door from the interior in the event of a power outage.

Interior manual release handle

Security+ 2.0TM

  • Security+ 2.0 rolling code technology assures a new code is sent every time the remote control is used.
  • Patented PosiLock® system ensures the door remains securely locked when the garage door is closed.
Security+ 2.0 Logo

EverCharge Standby Power System (485LM)

Door opens when the power is out After the power goes out, the standby power system will operate the garage door opener for 40 cycles within a 24-hour period.

485LM - Opener

Warning

Garage doors and garage door openers can be dangerous if not installed and verified by a professional and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.

Included in package

LiftMaster 8550WLB electric garage door opener
LiftMaster 8550WLB electric garage door opener
Battery - 485LM
Integrated Battery Backup (485LM)
Smart Control Panel (880LMW)
Smart control panel (880LMW)
3-button remote controls Security+ 2.0 (893MAX)
3-button remote controls Security+ 2.0 (893MAX)
Protector System® sensors (41A5034)
Protector System® sensors (41A5034)
Full reinforced belt drive mechanism
Appropriate 1-piece T rail with Belt-drive system

* Also included: a hardware bag for installation (includes all necessary hardware for installation)

Documents to download

 Owner's manual

 Warranty

 Brochure

 Maintenance

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