5.12kWh 51.2V stackable LiFePO4 energy storage battery modules showing front connectors, ports, and handles

High-voltage stackable battery

5.12kWh 51.2V Stackable LiFePO4 Energy Storage Battery

A rack-mount 51.2V / 100Ah LiFePO4 module built for stacked capacity expansion — up to 15 modules in parallel for UPS backup, PV inverter pairing, and site energy storage.

  • 5.12kWhNominal energy
  • 51.2VRated voltage
  • 100AhNominal capacity
  • ≤15Max parallel modules
Request Stack System Quote See stack configuration

Module capacity

Fixed 5.12kWh LiFePO4 module

Each rack module is a complete 5.12kWh / 100Ah energy block. Larger systems are built by paralleling identical modules.

5.12kWhNominal energy
5.12kWhUsable energy
100AhNominal capacity
LiFePO4Chemistry

Voltage architecture

51.2V operating window

Charge, operating, and cut-off voltages for inverter and UPS matching.

51.2VRated voltage
40.5–54.75VOperating range
58.4VCharge voltage
40.0VLow-voltage cut-off

Stack / parallel configuration

From one rack module to 15 in parallel

Start with a single module, expand as a parallel bank, and scale to the documented maximum of 15 modules.

Schematic only — not product photography. Final parallel count is confirmed against inverter/UPS limits and site wiring.

Communication

Front-panel protocol ports

Documented communication interfaces on the module faceplate.

RS485Serial bus
CANCAN bus
RS232Serial link

Charge / discharge limits

Current and temperature envelope

Continuous current limits and charge/discharge temperature windows from the module datasheet.

Charge current

Standard ≤50A · Max 100A

Discharge current

Max 100A (initial temp. ≤35°C)

Charge temperature

0–55°C

Discharge temperature

−20–55°C

Installation scenarios

Documented application roles

Use cases stated in the product source — UPS rooms, PV inverter pairing, and site backup.

UPS / server rooms

Backup supply for servers and computer rooms during outages.

PV inverter pairing

Matched with photovoltaic inverters for household and small commercial storage.

Sites & security rooms

Stores, communication base stations, and security machine rooms.

Technical specifications

Module specification summary

Energy & voltage
Nominal energy5.12kWh
Usable energy5.12kWh
Nominal capacity100Ah
Rated voltage51.2V
Operating voltage40.5–54.75V
Charge voltage58.4V
Low voltage cut-off40.0V
Current, parallel & communication
Standard charge current≤50A
Max charge current100A
Max discharge current100A (initial temp. ≤35°C)
Max parallel number15 pcs
CommunicationRS485 / CAN / RS232
Environment & mechanics
Charge temperature0–55°C
Discharge temperature−20–55°C
Dimensions561 × 483 × 133 mm
Weight43 kg
561 × 483 × 133 mmModule dimensions
43 kgModule weight

Related products

Adjacent real storage products

10–20kWh High-Voltage LiFePO4 Battery

Higher-voltage residential/commercial stack class — not this 51.2V rack module.

View product →

7.68kWh Ultra-Thin Wall-Mounted Home Battery

Wall-pack residential form factor — not rack-mount stack expansion.

View product →

257kWh 125kW Liquid-Cooled C&I ESS

Cabinet-scale C&I system versus modular rack battery.

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Project RFQ

Request Stack System Quote

Share module count, application, and market. This product will be attached to the request.