The LiftMaster 485LM Battery Backup (ASIN B07Q799TCJ) is a durable, screw‑in backup battery module designed specifically for select LiftMaster garage door opener models—including 3840, 3850, 8360, and 8550—to ensure reliable operation during power outages by providing up to 20 emergency openings .
| Main Specification | |
|---|---|
| 外边完成 | 黑色 |
| 规格 | UL 语言 |
| 品牌 | Liftmaster |
| 刚果爱国者联盟 | 368093610583 |
| 建议产品用途 | Backup Power For Garage Door Openers During Power Outages |
| Product information | |
| Product Dimensions | 3"L X 4"W X 4"H |
| Color | Black |
| Manufacturer | No |
| Technical Details | |
| Item Weight | 3.67 Pounds |
| Material | Metal |
| Installation Type | Screw-In |
| Others | |
| 产品类型 | 靠近门 |