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    Sealed Lead Acid

    Price:  $39.99

    Sealed Lead Acid (SLA) Battery Backup Unit (BBU)

    If your Fiber Optical Network Terminal (ONT) has a Power Supply Unit (PSU), you will need to order a Sealed Lead Acid BBU.

    • Provides up to 8 hours of backup power for Voice calling, including E911 dialing.
    • For backup power lasting 24 hours, contact Frontier to schedule a Field Technician to replace your current Power Supply Unit (PSU) with the Power Adapter. You will need to order the PowerReserve BBU.
    • Comes with a 1-year manufacturers warranty.