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Battery Backup System


  • Operates the garage door opener as if the power was still on (all safety and security features still operate)
  • Audible signal sounds when door is moving under battery power
  • Bright LED lights let you know when the Battery Backup is charging, in use, or when the batteries need to be replaced
  • Combatable with LiftMaster® models 2500, 3500, 3800 and 8500 garage door openers

Customer Reviews

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