Chamberlain Liftmaster 485LM Garage Door Opener Battery Backup

Specs & Features Demystified

LiftMaster 485LM Battery Backup System - Chamberlain Part Number 4228

When the power goes out, this LiftMaster 485LM battery backup system ensures you can still safely open and close your garage door. It is a 100% OEM replacement part from the factory, providing a reliable solution for your garage door opener.

Key Features

• 100% OEM Quality: Manufactured by LiftMaster and designed to fit perfectly with your existing Chamberlain garage door opener.
• Compatibility: Works seamlessly with Sears and Home Depot garage door battery backup systems.
• Slide-in Battery Compatibility: Suitable for all battery backup units that use slide-in batteries, including the 385/855 models and newer ones.

How It Works

When the power fails, the 485LM battery backup system automatically takes over, ensuring you can still control your garage door. This system provides peace of mind, allowing you to access your garage even in emergencies.

Suitable for All

This replacement part is compatible with various battery backup units, making it a versatile solution for any garage door setup. Whether you have older models or newer ones, this battery backup system is designed to fit.

Get your LiftMaster 485LM battery backup system today and ensure your garage door operates smoothly, even when the power is out.