Pro 125/258

Professional energy storage system for your business. High-quality solution for electrical energy storage powered by artificial intelligence.

Liquid Cooling
AI Management
10-Year Warranty
Scalable
Pro 125/258 - AIESS Energy Storage System

Next generation of this model — Pro 125/261 — available from May 2026.

Compact cabinet (37% smaller), higher efficiency ≥90%, next-gen LFP 314Ah cells.

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Technical Specifications

Detailed technical parameters of the Pro 125/258 system

Cell typeLFP 280Ah
Rated capacity258 kWh
Rated power125 kW
Peak AC power150 kW (60 s, 25°C)
Inverter typeOn-grid / Off-grid
Rated DC voltage921.6 V
DC voltage range720~1000 V
AC Voltage400 V
Rated current182 A
C-rate0.5P
System efficiency>89%
Protection ratingIP55
Corrosion protection gradeC4H
Cooling systemLiquid cooling
Fire suppressionAerosol
Noise<75 dB (1 m)
Operating temperature-30°C do +55°C
Humidity0~95% (non-condensing)
Dimensions (W×D×H)1588×1380×2450 mm
Weight2950±150 kg
CommunicationRS485 / CAN / Modbus TCP
Cycle life≥8000
EMSBuilt-in
Scalability1–8 jednostek
Warranty≥5 lat / 8000 cykli
CertificatesIEC 62619, IEC 60730-1, IEC 63056, IEC 62477, CE, UKCA, UN 38.3
Grid codeEN50549, VDE-AR-N 4105/4110/4120, G99, CEI 0-21/0-16

Why Choose Pro 125/258?

Key advantages and features of our energy storage solution

High Performance

Advanced lithium-ion technology ensures maximum efficiency and long-term reliability for your energy storage needs.

AI-Powered Management

Intelligent energy management system optimizes charging and discharging cycles for maximum efficiency and cost savings.

Cost Reduction

Reduce your energy costs by up to 50% through intelligent peak shaving and demand management.

Pro 125/258 Implementations

Proven solutions in real-world applications

Plastic Processing

Greater Poland, Poland

Plastic Processing - Greater Poland, Poland

Company in plastic processing industry, peak consumption 140 kW, PV power 50 kWp. Goal: contracted power reduction, PV surplus storage. Energy cost reduction of 20%.

1x
Pro 125/258
20%
Cost Reduction
Manufacturing
Industry
Peak consumption 140 kW with 50 kWp PV power
Contracted power reduction
PV surplus storage

More case studies coming soon. Contact us to learn about our latest implementations.

Download Resources

Technical documentation and product information

Technical Specifications

Full technical specification for Pro 125/258

Pro Series Catalog

All Pro 192–385 kWh liquid-cooled cabinet models

Calculate Your Savings

Use our ROI calculator to see how much you can save with Pro 125/258

Ready to Get Started?

Contact our experts for a personalized consultation and configuration for Pro 125/258