CRESCOM hardware and intelligent EMS software
Discover the technical specifications of our industrial battery systems from a manufacturer listed as Tier 1 by BloombergNEF.
Products
We work with market-leading technologies
CRESCOM ELECTRA Kft. is the exclusive Hungarian distributor of the battery energy storage systems of JD Energy, a manufacturer listed as Tier 1 by BloombergNEF and a preferred partner of CATL. The equipment combines CATL batteries on the DC side with PCS and BMS systems developed in-house by JD Energy.

Energy storage system
JD Energy eBlock-250
The eBlock 250 is a high-efficiency, intelligent 400 V all-in-one energy storage system that offers outstanding efficiency and safety thanks to its advanced liquid-cooling technology and integrated protection solutions. Thanks to its flexible scalability and grid-friendly control functions, it is an ideal choice for industrial and small power plant energy storage solutions. Versions with discharge durations of 2, 2.5, 3 and 4 hours are available.
250 kWh · 125 kW

Energy storage system
JD Energy eBlock-418A
The eBlock 418A is a high-performance, high-efficiency all-in-one energy storage system that optimises energy use with its advanced liquid-cooling technology and intelligent control solutions. Thanks to its outstanding safety and efficient energy management functions, it is an ideal choice for larger industrial and power plant applications.
418 kWh · 209 kW

Energy storage system
JD Energy eBlock Galaxy-2
Thanks to its all-in-one integrated design, the eBlock Galaxy-2 integrates batteries, a battery management system (BMS), string PCS systems, fire protection, a temperature control system, and power distribution and communication systems into a standard 20-foot container, delivering outstanding performance, efficiency and operational reliability. Thanks to its intelligent control and operating solutions, it can be scaled up flexibly while optimising energy management and minimising operating costs. It is an ideal solution for large-scale energy storage systems.
6251 kWh · 3126 kW

Energy storage system
JD Energy eStation-MV-6880
The eStation-MV-6880 skid-mounted system combines a string PCS module with a three-level topology and conversion efficiency of up to 99% with a transformer. The system can be matched to DC-side batteries of different sizes and capacities. It supports flexible expansion up to 6.88 MVA, optimised SOC management and AC/DC short-circuit protection, making it suitable for both energy storage co-located with renewable power plants and stand-alone energy storage applications.
6.88 MVA · string PCS + transformer
Technical data
Technical specifications from JD Energy datasheets
From the manufacturer’s own datasheets (jdenergy.com), as of 2026-09-09. The eStation-MV-6880 data are in a separate table below.
| Parameter | eBlock-250 | eBlock-418A | eBlock Galaxy-2 |
|---|---|---|---|
| Rated capacity | 250 kWh | 418 kWh | 6251 kWh |
| Rated AC power | 125 kW | 209 kW (215 kW with power derating) | 3126 kW (2G) / 1563 kW (4G) |
| Cell type | LFP 3.2 V / 314 Ah | LFP 3.2 V / 314 Ah | LFP 3.2 V / 587 Ah |
| Configuration | 260S1P | 416S1P | 418S1P |
| DC voltage range | 728–936 V | 1164,8–1497,6 V | 1164,8–1497,6 V |
| Rated AC voltage | 400 V (−15%…+10%), 3L/N/PE | 690 V | 690 V (−15%…+10%) |
| Number of cycles | ≥ 7000 cycles | ≥ 7000 cycles | ≥ 7000 cycles |
| System efficiency | max. 90% | ≥ 90% | max. 90% |
| Thermal management | liquid cooling (battery) | liquid cooling (battery) | liquid cooling (battery + PCS) |
| Protection rating | IP55 (battery compartment) | IP55 | IP55 (battery compartment) |
| Noise level | < 80 dB | < 80 dB | < 80 dB |
| Operating altitude | ≤ 2000 m | ≤ 2000 m | ≤ 4000 m |
| Dimensions | 1000 × 1350 × 2400 mm (H × Sz × Ma) | 1400 × 1300 × 2350 mm (Sz × Ma × Mé) | 6500 × 2500 × 3150 mm (H × Sz × Ma) |
| Weight | 2700 kg | 3800 kg | 55 000 kg |
| Depth of discharge (DoD) | 100% | 100% | 100% |
| Operating temperature | −35 … +55 °C (power derating above 45 °C) | −35 … +55 °C (power derating above 45 °C) | −35 … +55 °C (power derating above 45 °C) |
| Operating humidity | 0–95% RH, non-condensing | 0–95% RH, non-condensing | 0–95% RH, non-condensing |
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Technical data
eStation-MV-6880
Converter and transformer in a single skid – according to the manufacturer’s datasheet.
| Parameter | Value |
|---|---|
| PCS – DC side | |
| Max. DC voltage | 1500 V |
| Battery voltage range | 1000–1500 V |
| Number of DC inputs | 16 |
| Max. DC current | 430 A × 16 |
| PCS – AC side | |
| AC output power | 430 kVA × 16 (max. 6.88 MVA) |
| AC output current | 360 A × 16 |
| AC voltage range | 621–759 V (adjustable) |
| Frequency | 50/60 Hz |
| Connection | 3P3W+PE |
| Current distortion (THDi) | < 3% (at 100% load) |
| Power factor | 0.8 inductive – 0.8 capacitive |
| Transformer | |
| Rated power | 7100 kVA |
| Transformation ratio | 10–35 kV / 0,69 kV |
| Vector group | Dy11y11 |
| Cooling | ONAN, oil-filled (mineral oil / R3) |
| Efficiency | ≥ 99% @ Pn |
| Corrosion resistance | C5 / C4 / C3 |
| Protection rating | IP54 |
| Switchgear | |
| Type | CCV / DCV |
| Rated operating current | 630 A |
| Insulating medium | SF6 |
| Short-circuit withstand | 20 kA / 3 s or 25 kA / 1 s |
| Environmental and mechanical specifications | |
| Operating temperature | −30 … +60 °C |
| Max. altitude above sea level | 2000 m |
| Relative humidity | 0–95%, non-condensing |
| Dimensions | 12 192 × 2438 × 2896 mm (Sz × Ma × Mé) |
| Weight | < 39 000 kg |
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CATL (Contemporary Amperex Technology Co., Limited) is the world’s largest battery manufacturer and the global leader in the battery market for electric vehicles (EV) and energy storage systems (BESS). CATL manufactures the most advanced and operationally reliable battery cells and equipment on the battery market.

Energy storage system
CATL EnerC+
The CATL EnerC+ containerised energy storage system is a reliable, large-scale energy storage solution. Built on safe, high-efficiency LiFePO4 (LFP) cells, the system provides a rated energy capacity of 4073.47 kWh in a standard container configuration. It is a comprehensive solution designed with a strong focus on high reliability, safety and compliance with international standards and certifications.
4073 kWh · 20-foot container

Energy storage system
CATL EnerX
The CATL EnerX containerised energy storage system is a reliable, high-efficiency storage container. Built on modern, reliable 530 Ah LiFePO4 (LFP) cells, the system provides a rated energy capacity of 5.64 MWh in a standard container configuration. Thanks to the 530 Ah cells, the system is a safe, highly efficient energy storage solution with a high energy density of 361 kWh/m².
5.64 MWh · 20-foot container

Energy storage system
CATL EnerH
The CATL EnerH containerised energy storage system is a reliable, high-efficiency storage container. Built on modern, reliable 530 Ah LiFePO4 (LFP) cells, the system provides a rated energy capacity of 5.644 MWh in a standard container configuration. Thanks to the 530 Ah cells, the system is a safe, highly efficient energy storage solution with a high energy density of 361 kWh/m².
5.644 MWh · 20-foot container
Sineng Electric specialises in the development, manufacture and supply of high-quality photovoltaic inverters, PCS units and premium-quality energy products. With its strong R&D capabilities, global manufacturing expertise and comprehensive service network, Sineng Electric is recognised as a BloombergNEF Tier 1 inverter and PCS manufacturer.
Power conversion system (PCS)
Sineng EH Series – PCS
A reliable IP65-rated converter with a maximum efficiency of up to 99% and black-start capability.
up to 99% efficiency · IP65 · black start
Skid system
Sineng EH Series – skid system
A turnkey solution with integrated PCS and medium-voltage equipment, designed for use with DC battery containers. It offers a flexible power range of 2.5–13.8 MVA to meet your requirements.
2.5–13.8 MVA · integrated PCS + medium voltage
Liquid-cooled LFP battery bank
Megawatt-scale outdoor storage containers
Our modular, high-energy-density systems withstand even the most extreme weather conditions. The integrated liquid-cooling system maintains optimal cell temperatures, minimising degradation.
Available in 20- and 40-foot versions, with power from 0.5 MW to over 5.0 MW and a service life of 6000+ cycles, for industrial consumers and solar parks.
Software & AI
CRESCOM Energy Management System (EMS)
Hardware is worthless without intelligent control. The EMS software we provide monitors electricity exchange prices, local consumption peaks and weather forecasts in real time, and on this basis makes fully automated decisions about charging and discharging.
- SCADA and Modbus TCP / RTU compatibility
- aFRR / fFRR automatic scheduling integration
- Cloud-based remote monitoring and automatic alerts
Let’s discuss your energy storage project
Get in touch with us: we will assess your facility and recommend an energy storage system that matches your needs.