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

Name: LiftMaster New 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550
Brand: LiftMaster
SKU: awhd-us-b0dhl78n4y
Price: 46.05 USD
Availability: InStock

Brand: LiftMaster

Condition: Used

$46⁰⁵

$65⁸⁷

-31% Save $19⁸²

Updated: 2 days ago

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Description

Liftmaster 485LM is a 12V Replacement Battery. For use with various DC Motor Garage Door Openers featuring Backup Battery Systems. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

Operates the Garage Door Opener as if the power was still on, plus all safety and security features will be operational

12V replacement battery is used in the following models: 8500, 8500W, 8550W, WLED, 8360, & 8360W

Max door weight with battery increases from 650 lbs. to 850 lbs. with the addition of the 485LM Battery on LiftMaster Models LJ8900W and LJ8950W. Genuine replacement part.

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Product Details

SKU:: awhd-us-b0dhl78n4y
Model:: 485LM
Country:: US
ASIN:: B0DHL78N4Y
UPC:: 012381003488

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $20 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for LiftMaster products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.