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Garage Door Openers / Backup Battery

Chamberlain Liftmaster 485LM Garage Door Opener Battery

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$ 56.95   $39.86   save 30%
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User-Centric Overview


Allows you to still enter and exit through your garage door during power outages with the LiftMaster 485LM Battery Backup System, Chamberlain part number 4228. This 100% OEM compatible unit is new production and delivered directly from the LiftMaster factory.

This powerful backup system ensures that your garage door remains operable when the electricity fails. Designed for seamless compatibility with other major brands, it works with Sears and Home Depot battery backup units, making it a versatile solution for your garage door needs.

Ideal for all battery backup units with slide-in batteries, including models like the 385 and 855, as well as newer versions. This system provides a reliable and convenient solution, ensuring you can access your garage even when the power is out.


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