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Liftmaster 8550 - Elite Series 8550 DC Battery Backup Belt Drive
Liftmaster 8550 - Elite Series 8550 DC Battery Backup Belt Drive
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Liftmaster 8550 - Elite Series 8550 DC Battery Backup Belt Drive

Item Id: LM-8550
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Operator Assembly
No rail included [+$233.40]
7ft Rail [+$524.11]
8ft Rail [+$547.57]
10ft Rail [+$564.86]
Remote Controls
Control Panels
MyQ Accessories
Universal Receiver
Operators Parts & Accessories
Liftmaster 190LM Adjustable Door Bracket [+$261.25]
Liftmaster 195LM Ceiling Mount [+$59.95]
Liftmaster 475LM Evercharge Battery Back-Up System [+$75.54]
Liftmaster 480LM Alternate Mounting Kit [+$91.03]
Liftmaster 580LM Alternate Power System [+$105.45]
Liftmaster 97LM Protector System Mounting Bracket Ext [+$40.75]

Liftmaster 8550 DC Battery Backup Belt Drive Garage Door Opener

This model comes with MyQ technology, Security+ 2.0, Electronic Limit, Auto-force and Battery BackUp.

Powers up when Power is Down

MyQ® technology enables you to securely monitor and control your garage door opener and houselights with your smartphone, tablet or computer.
Alerts can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your garage door and houselights.
MyQ mobile app is a free download requiring no annual activation fee.

P3 Motors from LiftMaster® are reliable, durable and powerful designed specifically for your needs.
Liftmaster 8550 DC Battery BackUp motor belt drive system is powerful yet ultra-quiet and maintenance free.
Battery Backup powers up even when the power is down so you can get in your garage.
Energy-efficient operation consumes up to 75% less power in standby mode.
Lifetime motor and belt, 5-year parts and 1-year battery backup warranty.

Safety and Security
Security+ 2.0 safeguards your household with every click a new code is sent to the garage door opener so that the door opens only for you.
PosiLock® locks down your door by electronically monitoring against a forced opening.
Timer-to-Close remembers to close your garage door when you forget automatically closes the door after a pre-programmed number of minutes.
Alert-2-Close warning system provides audible and visual warnings when the garage door is about to close when using MyQ technology or Timer-to-Close.
Motion detector activates the garage door opener lights as soon as you walk in so no more fumbling in the dark.
The Protector System® has safety sensors that project a light beam across the garage door opening automatically reversing the door if anything interrupts the beam.

Included Accessories for Liftmaster 8550 DC Battery BackUp Belt Drive:
3-Button Elite Remote Control (Liftmaster 895MAX):
Allows you to control up to three garage door openers, gate operators or MyQ-enabled light devices. Sleek contoured design with bright blue LED lights.

Smart Control Panel (Liftmaster 880LM)
Makes it easy for you to program remote controls and MyQAccessories as well as adjust settings with intuitive menu driven format and LCD display.


Standard Specifications

- Installed Length: 125 .
- Maximum Door Opening: 7 3 .
- Headroom Clearance Required: 2 .
- Up to 10 with optional 8 or 10 rails.

- Number of Cartons: 3.
Carton 1: Dimensions and Contents:
- 20 x 12 x 10 .
- 880LM Smart Control Panel.
- 895MAX Premium Remote Control.
- Garage Door Opener Head.
- The Protector System® Safety Reversing Sensors.
Carton 2: Dimensions and Contents:
- 10 4 x 5 x 5 .
- Assembled Solid-Steel T-Rail (Belt).
Carton 3: Dimensions and Contents:
- 5.31 x 4.63 x 5.13 .
- 485LM Battery.

Security+ 2.0 Radio Controls
- Coding System: Smart Receiver Code Button and Indicator Light.
- 895MAX Premium Remote Control.
- Operating Range: 200 (approximately).
- Operating Temperature: -40°F to 150°F.

- Remote Control: 315 MHZ / 390 MHZ Dual Band.
- Receiver: Frequency Agile on 310, 315 & 390 MHz.
- Security+ 2.0 Anti-Burglary Coding.
- Dual Band on Security+ 2.0 coding only. Premium Remote Control is backwards compatible to all LiftMaster openers manufactured since January 1993

MyQ® Radio
- 902-928 MHz.
- 50 Channel FHSS (Frequency Hopping Spread Spectrum).
- Provides two-way communication from garage door opener and MyQ enabled accessories.
- Enables remote closing of garage door with key MyQ accessories and control panels.
- Enables monitoring and control of garage door openers and lighting controls via internet-enabled computer or smartphone.
- Requires LiftMaster Internet Gateway Accessory Model 828LM.

Security+ 2.0 Encrypted Controls
- 880LM Smart Control Panel.
- Timer-to-Close.
- Program Remote Controls, Keypads and MyQ Accessories.
- Maintenance Alert System.

Convenience / Safety
- The Protector System® Safety Reversing Sensors.
- Integrated Battery Back-Up System.
- Unattended Close Operation w/ Select Accessories.
- Hands Free Work Lights On.
- Emergency/Quick Release.
- Automatic Trolley Reconnect.
- Ventilation /Pet Opening.
- Down Safety Reverse.
- Up Safety Stop.
- Door Open/Beam Obstructed/Lights On.
- Maintenance Alert System.
- PosiLock® secure lock system.
- Slow Start Soft Stop.

Electrical Specifications

- Voltage: 120V AC, 60Hz.
- Wattage: 524 Total System (including lights).
- Current Rating: 2.7A.
- UL Listings: Yes.
- Length of Line Cord: 6 (3-prong).

Energy Efficiency
- ~1 Watt Power in Standby Mode.
- Enhanced CFL (Compact Fluorescent) Compatible.
- Standby Mode at down limit, work lights off.

Logic Type
- Solid State Microcontroller with Built-in Surge Suppressor

- Number of Bulbs: 2.
- Maximum Wattage: 100 x 2.
- Adjustable Time, Solid-State Delay.
- Enhanced CFL (Compact Fluorescent) Compatible, Max 27 Watts.
- In Battery Back-Up Mode: Disabled.

Mechanical Specifications

- 900 Newtons.
- 12V DC Motor.
- RPM: 53.
- Thermal Protection: Automatic.
- Lubrication: Permanent.

Drive Mechanism
- Drive Means: Full Reinforced Drive Belt.
- Reduction Means: Gear 63:1.
- Door Linkage: Adjustable Door Arm.

- Force: Electronic/Internal Auto Force.
- Limit: Internal Electronic.

Travel Rate
- Approximately 9.0 per second in the up direction.
- Approximately 6.5 per second in the down direction.

Shipping Weights
- Head: 18 lbs.
- Rail: 17 lbs.
- Battery Backup: 4 lbs.

- Chassis and Chassis Cover: Steel.
- Rail: Solid-Steel T.
- Trolley: Steel.

- Lifetime Motor Warranty.
- Lifetime Belt Warranty.
- 5 Years Parts Warranty.
- 1 Year Battery Warranty (485LM).

HOMELINK® Compatible (version 4.0 or higher)
w/QuickTrain Technology*

May require an external adapter depending on the model and year of your vehicle.

Customer Reviews
Rating review the 8550 liftmaster
Hi, I`ve bought the garage door opener and I``ve installed it, good product but, When I`ve tried to onnect the battery, no battery was with the door opener. Could you send me the battery that is supposed to be with? Everything work great but no battery.
Reviewed by: from 269 walnut cres, Fort McMurray, Ab, Canada T9K0T2. on 11/29/2014
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