Liftmaster 485LM Battery 12V

12V Backup Battery for LiftMaster DC Garage Door Openers

The LiftMaster 485LM is a 12-volt backup battery designed to power your DC garage door opener when AC power is lost. Compatible with LiftMaster models 8500, 8500W, 8550W, WLED, 8360, and 8360W, this battery ensures your garage door continues to operate safely and securely during power outages. It keeps all safety sensors and security features active, maintaining full system functionality. Also known as part numbers 041A6357-1, 41A6357-1, 485LMC, and 012381742288.

Key Features

• Provides backup power during outages for select DC LiftMaster openers
• Maintains full functionality of safety sensors and security features
• Installs directly into compatible opener housing
• Genuine LiftMaster OEM part
• Known by multiple part numbers for broad compatibility

Technical Specifications

• Model: 485LM
• Voltage: 12V DC
• Type: Sealed lead-acid battery
• Compatibility: 8500, 8500W, 8550W, WLED, 8360, 8360W
• Alternate Part Numbers: 041A6357-1, 41A6357-1, 485LMC, 012381742288, 012381994854
• Use Case: Backup power for DC motor garage door openers

Conclusion

The LiftMaster 485LM battery is essential for maintaining door operation during power failures. Ensure continuous performance and system protection by replacing your battery with this genuine LiftMaster part.