The 485LM is a 12V backup battery designed for use with LiftMaster integrated battery backup garage door openers. This replacement battery will allow your garage door opener to function as it the power was sill on and keep all safety and security features active.
Used in the following models: 8500, 8500W, 8550W, WLED, 8360, & 8360W.
Max door weight with battery increases from 650 lbs. → 850 lbs. with the addition of the 485LM Battery on LiftMaster Models LJ8900W and LJ8950W.
