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Look for LiftMaster garage door openers with battery backup. Keeps the opener running when the power is down.
Heavy Duty Chain Drive Smart Opener with LED Corner to Corner Lighting™ and Battery Backup
Secure View™ Ultra-Quiet Belt Drive Smart Opener with Camera, LED Corner to Corner Lighting™ and Battery Backup
Smart Opener with Dual LED Lighting and Battery Backup
8160WB DC Battery Backup Chain Drive Wi-Fi