Liftmaster/Chamberlain Battery Backup Replacement 485LM. Integrated Garage Door Battery Backup System for Models 3850, 8360, and 8550/ DJW124.5-100% OEM Parts - USA Vendor GarageDoorProject

Liftmaster/Chamberlain Battery Backup Replacement 485LM. Integrated Garage Door Battery Backup System for Models 3850, 8360, and 8550/ DJW124.5-100% OEM Parts - USA Vendor GarageDoorProject

• Premium OEM Parts from US Vendors: GarageDoorProject uses only 100% OEM parts from US vendors with all new production dates, ensuring authentic LiftMaster Direct 485LM Replacement Part quality with every order including a complimentary Multi-Screwdriver Keychain
• Wide Compatibility Across Multiple Part Numbers: Compatible with part numbers 041A6357-1, 41A6357-1, 012381742288, 485LMC, and 012381994854, working seamlessly with Sears, Home Depot, Amarr, Clopay, and Raynor garage door systems
• Simple DIY Battery Replacement Process: LiftMaster's Garage door opener backup battery typically needs replacement every one to two years, and replacing it is as simple as seven easy steps requiring only gloves, safety eye wear and a screwdriver
• Reliable 12V Power Supply for Multiple Models: The 485lm liftmaster replacement battery works with models 8500, 8500W, 8550W, WLED, 8360, and 8360W, providing 2 days or 20 open and close cycles when fully charged during power outages
• Authentic OEM Liftmaster Battery Replacement: LiftMaster has standardized battery labeling across Chamberlain Group products, with some units displaying Chamberlain branding while remaining 100% OEM LiftMaster-compatible, reflecting manufacturer packaging changes only without affecting product performance or compatibility
• Emergency Power Backup System: Ensures your garage door remains operational during power outages with up to 20 cycles of reliable backup power, providing convenient access to your garage when you need it most
• Compact and Lightweight Design: Weighing only 3.52 lbs with dimensions of 3.54 inches length, 2.76 inches width, and 3.98 inches height, making it easy to handle and install in your garage door opener system