Li-75 Micro UPS

#PS75SP-P7-12, #PS75SP-P7-48

Product Overview

The PSI Li-75 Micro UPS Series introduces the future of uninterruptable DC power supplies with it’s patented stackable battery technology and World’s smallest form factor Commercial/MDU UPS. Designed to supply continuous 12VDC or 48VDC power with stackable Li-ion Battery Pack technology, the PSI Li-75 Micro UPS Series offers the most versatile power solution and long life battery to compliment 1000’s of stationary or portable applications and support hours of backup.

PS75SP-P7-12 (12vDC output)
PS75SP-P7-48 (48vDC output)

SKU: PS75SP-P7-12, PS75SP-P7-48 Category:

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

Customer Premise Equipment

VoIP Backup

Cable Modems (eMTA)

Portable Power

Multi-Dwelling Unit (MDU)

Single Family Unit (SFU)

Wireless Local Loop

PoE Powering


Desktop or Wall-Mountable

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

Scalable Capacity

Innovative stackable battery design allows user to connect up to three battery packs for increased capacity on demand for over 24 hours of battery backup on most CPE devices

Surge Protection - VAC and VDC

Providing the Industry’s highest rated frontend surge protection, rated at 12KVA and providing the Industry’s only reverse surge protection on VDC output connection to offer a fully protected solution for any indoor deployment

Stationary or Portable Power

Install as stationary UPS or charge and use a portable battery power for off grid applications

User Replaceable/Stackable Battery Pack

Battery Pack can be easily added or replaced without network interruption

Network Interface Reset (N.I.R.) Control Function

Allows End User options for push button control to reset VDC power to ONT or CPE device saving costly truck rolls to reset power

Telemetry Interface

Battery Signal Alarming to ONT or CPE device: On Battery, Replace Battery, Battery Missing, Low Battery

Local Visual and Audible Alarming

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

PoE Powering

Optional PoE Module Allows for auto-detect 48V output protocol to power nearly any 48Vdc PoE enabled device

Extended Life Battery

10 Year Design Life Battery Pack

Battery Management System (BMS)

Integrated Battery Management System manages battery charging, cell balancing and performs battery self test to protect and extend battery life

Request for Information

    Technical Specifications

    Input Voltage Range: 100Vac-240Vac

    Frequency: 50/60Hz


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

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

    Continuous Power Capacity: 6.25A(75WATT)


    Battery Type: Lithium lon Battery Pack

    Design Life: 10 Years

    Typical Recharge Time: <20 hrs

    Replaceable Pack: Yes


    Lightning/Surge Protection: Yes(IEC 61000-4-5 2005 LEVEL D)


    Battery Auto-Charge: Yes

    Battery Self-Test: Optional

    Telemetry Interface: Yes

    Local Alarming (Audible/Visual): Yes

    ONT Reset: Yes

    Cold Start: Yes


    Maximum Dimensions: 155mm×89mm×52.5mm

    Weight (with one battery pack): 1.76lb


    Operating Temperature: -10℃ - 49℃(14℉ - 120.2℉) at full power

    Storage Temperature: -30℃ - 65℃(-22℉ -149℉)

    Technical Support

      Request a Quote

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