Liftmaster 485lm OEM Battery Backup
Liftmaster 485lm OEM Battery Backup
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Chamberlain

Liftmaster 485lm OEM Battery Backup

4.9 stars out of 14 reviews
(4.9)|
14 ratings

Key item features

  • Reliable Power: This OEM battery backup ensures continued garage door operation during power outages, allowing uninterrupted access to your garage.
  • Genuine Component: The Liftmaster 485lm battery backup system is a 100% original equipment manufacturer (OEM) part, specifically Chamberlain part number 4228.
  • Fresh Production: Supplied directly from the Liftmaster factory, this battery backup features new production dates, ensuring optimal performance and longevity.
  • Broad Compatibility: It functions as a replacement part for Sears and Home Depot garage door battery backups, extending its utility across various systems.
  • Universal Fit: Designed for all battery backup units that utilize a slide-in battery, including models 3850, 8550, and newer versions.
  • Simple Installation: The replacement process involves disconnecting power, removing the battery cover with a Philips head screwdriver, swapping the old battery, connecting wires, and reattaching the cover.
  • Secure Connection: Installation requires connecting the red (+) and black (-) wires from the motor unit to their corresponding terminals on the new battery for proper function.
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Columbus, 43215
Arrives by Fri, Feb 27
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Sold and shipped by Jenkins Trading PostPro Seller
4.486301369863014 stars out of 5, based on 146 seller reviews(4.5)
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4.9 out of 5 stars
stars14 ratings6 reviews
How item rating is calculated
  1. 5 stars93% (13)
  2. 4 stars7% (1)
  3. 3 stars0% (0)
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Showing 1-3 of 6 reviews

Oct 9, 2025
Susan
Sold and shipped byPreferred Doors LLC
5 out of 5 stars review

Verified Purchase

Liftmaster Battery Backup

Easy to find and order this backup battery online, thanks to the pictures and description. The instructions, along with a YouTube video, made it easy for me--a 71-year-old woman--to install this battery myself in a couple minutes. Battery arrived timely and in good conditions.

Incentivized Review
Helpful?37XAP5F5230Z450237314
reply from TheChamberlainTeam

Hi, Susan. Thank you for sharing your review with us. We are so glad to see that you are enjoying your experience with us, and our team will be glad to see your positive comments. Should you have any questions about our products in the future, please email social@chamberlain.com. Thank you for choosing Chamberlain.

May 27, 2021
Denise
5 out of 5 stars review

Verified Purchase

Great deal!

The battery was recently manufactured and had the sticker on outside of box--could see right away. Also had a sticker with that info plus a space where you could write the date it was installed. Fast arrival!! Fair price...lower than other retailers! Last, exact same battery, lasted longer than what I found when researching.

Helpful?37XAP5F5230Z450237314
Feb 27, 2023
AvgJoe
5 out of 5 stars review

Verified Purchase

Exactly the same!

Exact replacement battery for my Liftmaster garage door opener. Works perfectly:)

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