Potena Cube battery energy storage system

From Potential to Power

From Potential
to Power

Modular Battery Energy Storage Solutions

Potena Cube is a compact and scalable battery energy storage system designed for industrial, commercial and utility-scale applications.

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02 — The Product

Three systems. One modular platform.

From compact commercial sites to utility-scale projects — every Potena system is liquid-cooled LFP storage with integrated PCS, EMS and aerosol fire protection, and can be linked in parallel to reach any target power and capacity.

125 kW

Potena Cube S125

POT-Cube-S125/261 EU

Compact all-in-one cabinet for commercial and light-industrial sites — peak shaving, PV self-consumption and backup.

Power: 125 kW
Capacity: 261 kWh
Voltage: 400 VAC ±15 %
Protection: IP54

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250 kW

Potena Cube S250

POT-Cube-S250/522 EU

Double-door cabinet with 2P260S battery rack and off-grid capability for industrial facilities.

Power: 250 kW
Capacity: 522 kWh
Voltage: 400 VAC ±15 %
Protection: IP54

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417 kW

Potena Cube S417

POT-Cube-S417/835 EU

Our flagship 800 V system with 417 kW / 835.99 kWh in one outdoor cabinet — built for large industrial and utility-scale projects.

Power: 417 kW
Capacity: 835 kWh
Voltage: 800 VAC
Protection: IP55

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03 — Technical Data

Technical Specifications

Engineered with industry-leading components and certified to operate reliably in the most demanding environments.

Energy Storage

Battery Type: LFP
Capacity Gross: 261 kWh
Depth of Discharge: 95 %
Cycle Life: 8,000
Cell Type: 3.2 V / 314 Ah

Electrical Parameters

Rated Power: 125 kW
Rated Voltage Versions: 400 VAC ±15 %
Frequency: 50 Hz
Power Factor: −1 … +1
System Efficiency: ≥ 88 %

Environmental

Protection Class: IP54
Cooling: Liquid Cooling
Corrosion Protection: C4-H
Operating Temperature: −20 °C to +50 °C
Max Altitude: 3000 m
Dimensions (W×D×H): 1150 × 1450 × 2350 mm
Weight: 2.5 t

Communication

Interfaces: CAN / RS485 / Ethernet
Energy Management System: Potena EMS

Modular by design

Scale from one Cube to a utility-grade array

Potena Cube S125 (POT-Cube-S125/261 EU) units linked in parallel — Potena Cube S125 · POT-Cube-S125/261 EU

Potena Cube S250 (POT-Cube-S250/522 EU) units linked in parallel — Potena Cube S250 · POT-Cube-S250/522 EU

Potena Cube S417 (POT-Cube-S417/835 EU) units linked in parallel — Potena Cube S417 · POT-Cube-S417/835 EU

Link as many as you need. Cube units connect in parallel to scale capacity and power to any project requirement — from a single 261 kWh cabinet to multi-megawatt installations.

Discuss your project

AI Configurator

Describe your project. Get a configuration.

Tell us about your site, load profile, peak power, daily energy needs or goals (peak shaving, solar self-consumption, backup). Our AI suggests a suitable Potena Cube setup.

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04 — Advantages

Why Potena
Cube

A complete energy storage platform engineered to deliver long-term value across the entire project lifecycle.

Flexible Expansion

Modular architecture — connect multiple Cubes to scale capacity and power on demand.

Easy Transport

Standardised containerised footprint for straightforward shipping and on-site delivery.

Fast Installation

Pre-integrated subsystems enable rapid commissioning and reduced project lead time.

Front Wiring Design

All electrical connections accessible from the front for simplified service and maintenance.

Multi-Level Safety

Cell-to-system protection with aerosol fire suppression, BMS and thermal management.

European EMS

EU-developed Energy Management System with EU-based data hosting, optimised for European grids — higher performance, stronger cybersecurity and full regulatory compliance.