Product Overview

The PSI D-Cell BBU is designed for an economical, self-install FTTx battery backup. For use as Desktop or Wallmount 12Vdc Battery Backup for all residential FTTx ONT’s, the D-Cell BBU provides a stand alone battery backup solution during commerial power outage, or can be partnered with PSI Model PS1236PB-B for uninteruptable service to indoor or outdoor FTTx ONT’s. The PSI D-Cell BBU includes Vdc Output cabling to PSI model PS1236PB-B and easy wall mountable back plate, as well as Auto and Manual mode operation.

SKU: PSD12-BBU Category:

Fiber-to-the-home (FTTH, FTTP, FTTx)

Customer Premise Equipment

VoIP Backup

Cable Modems (eMTA)

Single Family Unit (SFU)


Desktop or Wall-Mountable

Versatile design allows for World’s easiest wall-mountable solution or out-of-the-box desktop install

Auto or Manual Mode

Dual funtionality allows End User to set battery backup to Auto or Manual Mode operation when loss of commercial power occurs

User Replaceable Batteries

Batteries can be replaced by any standard, non-rechargeable D-Cell Alkaline or Lithium Batteries

Local Visual and Audible Alarming

Onsite Battery Alarming: On Battery, Low Battery, and Replace Battery

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    Technical Specifications

    Output Voltage (On Battery): 12Vdc (Nominal)


    Battery Type: Alkaline or Lithium (non-rechargeable)

    Shelf Life: 10-20 years

    Replaceable Battery: Yes


    Battery Self-Test: Yes

    Telemetry Interface: No

    Local Alarming (Audible/Visual): Yes

    Alarm Silence: No

    Cold Start: Yes

    Technical Support

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      44 Revolution Drive, Franklin, KY 42134
      P: (270) 813-1110
      E: [email protected]