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Shop / liftmaster battery

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

$ 57.92 $40.54
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In the event of a power outage, having a backup battery for models 3840, 3850, 8360, and 8550 is essential. This battery enables the opener to function without external power, allowing for up to 20 uses before it may need recharging or replacing.

Ensuring that you have a reliable backup battery can significantly enhance the convenience of operating your opener during unexpected power losses. With consistent performance and functionality, these models continue to perform effectively, allowing you to maintain easy access without the worry of being stranded due to power issues.

Investing in a backup battery not only provides peace of mind but also guarantees that your opener remains operational whenever necessary. In situations where electricity is interrupted, having this capability can make all the difference.

Therefore, if you own a garage door opener from the 3840, 3850, 8360, or 8550 series, it’s advisable to consider purchasing a backup battery. It is a small investment that brings significant benefits by ensuring that your operations are unaffected during times of power failure. You won't have to worry about getting in or out of your garage, even when the power is out, because your opener will still work up to 20 times before needing a charge.

Make sure you keep your backup battery in good condition by checking it regularly. This maintenance will help ensure that it operates efficiently when you need it most. When you plan ahead and keep a backup option ready, you protect yourself against the inconvenience caused by power interruptions and ensure that your opener remains functional at all times.

By staying prepared, you can enjoy uninterrupted access to your garage, making these models—3840, 3850, 8360, and 8550—even more reliable and user-friendly.

product information:

AttributeValue
manufacturerno
item_weight3.76 pounds
package_dimensions5.24 x 5.12 x 4.57 inches
installation_methodScrew-In
batteries_includedNo
batteries_requiredNo
customer_reviews
ratings_count882
stars4.8
best_sellers_rank#4,887 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#30 in Garage Door Keypads & Remotes
date_first_availableMay 4, 2019

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