Liftmaster 485LM Battery for Garage Door Openers

Effortless DIY: Battery Replacement Instructions

Disconnecting the power to the opener is the first step. Using a Phillips head screwdriver, remove the battery cover on the motor unit. Discard the old battery and partially insert the new battery into the motor unit, ensuring the terminals are facing outward. Connect the red (+) and black (-) wires from the motor unit to the corresponding terminals on the battery. Replace the battery cover and reconnect the power, allowing you to continue using your garage door even during power outages.

The Liftmaster 485LM battery backup system, Chamberlain part number 4228, is a 100% OEM (original equipment manufacturer) product. This new production model is directly supplied by the Liftmaster factory, ensuring quality and reliability.

Furthermore, this battery backup system is compatible with Sears and Home Depot garage door battery backup units, making it a versatile replacement part. The compatibility extends to all battery backup units with a slide-in battery design, including models 385/855 and the latest iterations.

Maintaining your garage door's functionality during power outages is essential, and the Liftmaster 485LM battery backup system provides a reliable solution. The step-by-step instructions make the battery replacement process straightforward, empowering homeowners to handle this task with ease.

By disconnecting the power, removing the old battery, and properly installing the new one, you can ensure your garage door continues to operate seamlessly, even when the main power supply is interrupted. The compatibility with various brands and models further enhances the versatility of this replacement part, making it a practical choice for a wide range of garage door systems.

Remember to discard the old battery responsibly and reconnect the power to restore full functionality to your garage door. The Liftmaster 485LM battery backup system, with its OEM quality and easy installation, offers a hassle-free solution to keep your home secure and accessible, even during unexpected power outages.

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