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New LiftMaster 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550

Price:

185.44


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New LiftMaster 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550

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  • back up battery

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  • Exterior Finish
  • Specification Met
  • Brand
  • UPC
  • Recommended Uses For Product
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  • Manufacturer
  • Item Weight
  • Material
  • Installation Type
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Door Closer Opener System Parts
Exterior Finish Black
Specification Met Ul
Brand Liftmaster
UPC 368093610583
Recommended Uses For Product Backup Power For Garage Door Openers During Power Outages
Product Dimensions 3"L X 4"W X 4"H
Color Black
Manufacturer No
Item Weight 3.67 Pounds
Material Metal
Installation Type Screw-In
Product Type Door Closer
  • Buy Two or More Offer
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  • Next Purchase Offer
    Get 5% off your next purchase.
  • Delivery Offer
    Enjoy free delivery on orders above $200.
Delivery Detail
Estimate delivery times: 12-26 days (International).
3-6 days (Domestic)
Safe Checkout
Guaranteed Safe Checkout
Return Policy
30-Day Return Guarantee
Confidence-backed purchases with 30-day return support.
Free Return Pickup
Free return pickup available
We’ll handle returns from your doorstep at no extra cost.


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 .

Shipping & Delivery

At GofinchKart, we aim to deliver your order as quickly and safely as possible.

Domestic Shipping :

Orders are typically delivered within 3–6 business days.

International Shipping:

Estimated delivery time is 12–26 business days, depending on the destination and customs processing.

You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.