CHAMBERLAIN / LiftMaster / Craftsman 4228 Replacement Battery for Battery Backup Equipped Garage Door Openers (Packaging May Vary) Medium

This replacement battery is a must-have for any homeowner with a garage door opener equipped with battery backup.

Not only does it provide peace of mind in case of an emergency, but it also helps prevent lockouts by ensuring your garage door remains operational even during power outages.

With a capacity of 4.5 Ah, this battery is designed to provide reliable performance and lasting durability.

Plus, it's compatible with all Chamberlain garage door openers, so you can rest assured that it will work seamlessly with your existing system.

Don't let yourself be left stranded - get this replacement battery today and enjoy the added security and convenience it provides!