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Ultra-Quiet & Strong Belt Drive Garage Door Opener with Battery Backup and PLUS Lifting Power

Model: B730
MyQ EnabledWhisper QuietBattery BackupHomeLink Compatible

When it comes to worry-free, reliable garage access, you can be assured that Chamberlain’s got your back. A leader in garage accessibility and quality solutions, with the Chamberlain B730 you can be confident you’re getting a reliable garage door opener that always runs smoothly. And with battery backup, you can count safe, secure access, even when the power is out. Powered by Chamberlain’s Lift Power System™, it delivers the highest lifting capacity equivalent to the ¾ HP category. The B730 features an extra strong steel-reinforced belt drive with anti-vibration technology . Perfect for attached garages, the B730 will give you years of smooth, quiet performance. It also comes with two powerful Triband™ technology remotes that are programmable to control a combination of up to three openers.

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Product Features

  • HomeLink® compatible, works with the in-vehicle remote control system built into most cars. Compatibility Bridge™ (not included) necessary for certain vehicles. Visit to find out if a Bridge is needed.
  • Ultra Quiet & Strong Belt Drive - Steel-reinforced belt drive is constructed with high-grade materials for years of worry-free, long lasting, ultra quiet operation—perfect for attached garages.
  • Powered by Chamberlain’s PLUS Lift Power System™, the B730 delivers lifting force equivalent to 3/4 HP, the highest lifting capacity compared to the 3/4 power class for smooth and reliable performance you can count on.
  • Battery Backup - ensures safe ins-and-outs even during power failure
  • Superior Range - Includes 2 3-button TriBand™ frequency remotes that let you control a combination of up to 3 openers or Chamberlain interior light modules (sold separately). Exclusive TriBand™ technology boosts remote range up to 1,500 feet for a quicker entrance and exit.
  • A Wireless exterior keypad permits access with a four-digit secure code
  • Safety Sensors project an invisible beam preventing the garage door from closing on people, pets or other objects.
  • Two 100-watt standard or CFL bulbs (not included) provide ample light for confident and safe movement around the garage. And the Full-Function Wall Control displays time, temperature, diagnostics, and allows you to control the door and activate lights, too.
  • Trusted Safety & Security - Unmatched Security+2.0® 100 Billion code encryption protects against hacking, and Posilock™ anti-theft protection assures that once the door closes, it stays locked.
  • Highest Quality - Built from High-Grade materials for unsurpassed performance and reliability
  • Designed specifically for 7ft. garage doors - extension kits required for 8 ft. (8808CB-P) and 10 ft. (8810CB-P) doors.
  • Installation Made Easy - Our online installation videos, pre-programmed remotes, snap-lock rail system and tech support ensure installation goes smoothly.
  • Included: 2 3-Button Remotes, 1 Wireless Keypad, 1 Multi-Function Wall Control Panel, and Safety Sensors
  • Go remote-less, and get more control with built in HomeLink Compatibility. You can use your vehicle's Homelink buttons to control gates, doors, and lights from the driver's seat, and without the remote. Certain vehicle makes/models may require a Compatibility Bridge™ (not included) to operate your garage door opener via the HomeLink buttons.
  • WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to
  • Works with the MyQ app - Includes core features including the ability to check the status, control the door, and get activity alerts from anywhere.
  • Linking MyQ to partner apps for more enhanced features such as voice control or location based garage door closing may require an accessory purchase or subscription fee. Subscription fee applies after 30-day free trial ends. Visit for more details.

Warranty Information

  • Motor & Belt: Lifetime
  • Parts: 5 years
  • Accessories: 1 year


Motor: Plus Lift Powerequivalent to 3/4 HPSDrive TypeBelt
Total Max Wattage200 WRadio Frequencies310, 315, 390
Maximum Open Size7 ftLighting CompatibilityCFL
Installed Product Weight32 lbNumber of Lights2
Voltage120 VMax Door Height7 ft
Max Wattage each Light100 WIncludes Battery Backup CapabilityYes

California Residents: Proposition 65 WARNING

Installation Manuals

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