The LiftMaster 485LM 12V Battery is a replacement power source for select LiftMaster DC motor garage door openers and commercial sectional door operators. It ensures your garage door continues to operate during power outages while maintaining full functionality of all safety and security features.

• 12V replacement battery for LiftMaster garage door openers and commercial door operators

• Maintains garage door operation during power outages

• Supports models including LJ8900W, LJ8950W, 8500, 8500W, 8550W, WLED, 8360, and 8360W

• Increases maximum door weight from 650 lbs to 850 lbs on LJ8900W and LJ8950W

• Genuine LiftMaster® replacement part for reliable performance

• For more information visit Manufacturer's Website