

🔋 Never get stuck in the dark—power your peace of mind!
The LiftMaster 485LM Battery Backup is a UL-certified, screw-in backup battery designed for select LiftMaster garage door openers. It delivers up to 20 emergency openings during power outages, ensuring your garage remains accessible when it matters most. Compact and lightweight, it installs easily and integrates perfectly with models 3840, 3850, 8360, and 8550.
| Installation Type | Screw-In |
| Recommended Uses For Product | backup power for garage door openers during power outages |
| Specification Met | UL |
| UPC | 368093610583 |
| Manufacturer | no |
| Item Weight | 3.67 pounds |
| Product Dimensions | 3 x 4 x 4 inches |
| Item model number | 485LM |
| Item Package Quantity | 1 |
| Included Components | Battery |
| Batteries Included? | No |
| Batteries Required? | No |
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