Description
Technical Data: Link
The ESD832-05P522-G is an advanced 250 kW / 522 kWh energy storage system designed for medium to large-scale projects that require maximum efficiency, safety and intelligent management.
It is equipped with high-capacity (314 Ah) lithium-ferrophosphate (LFP) batteries and an integrated liquid cooling system, which ensures stable operation even under demanding environmental conditions.
Thanks to its modular and scalable architecture and Modbus/MQTT connectivity, this system is ideal for photovoltaic parks, microgrids, charging stations, industrial applications and high-power self-consumption projects.
Main features
- High capacity and power: 250 kW / 522 kWh, ideal for high energy consumption applications.
- Advanced LFP technology: more than 12,000 life cycles with maximum thermal and chemical stability.
- Dual liquid cooling system: ensures thermal efficiency and extends module life.
- Total safety: temperature, smoke and gas detection; pressure relief panel; aerosol system and water sprinklers.
- Intelligent integration: real-time monitoring (integrated HMI) and communication via Modbus/MQTT.
- Robust and modular design: flexible installation, expandable and easy to maintain.
- IP65 protection: suitable for industrial and outdoor environments.
Technical specifications
- Battery type LFP (Lithium Ferro Phosphate)
- Nominal capacity 314 Ah
- Life cycle > 12 000 cycles
- Nominal voltage (cell) 3.2 V
- P265 S 3-pack configuration
- Total system energy 522 kWh
- Nominal system voltage 848 V
- System voltage range 728 – 953 V
- Rated power 250 kW
- Charge/discharge rate 0.5 P (25 °C)
- Fire protection system Temperature/smoke/gas detection + explosion relief panel + aerosol + water sprinklers
- Cooling system Integrated liquid cooling system for modules and PCS
- Thermal management Liquid cooling with intelligent control
- Storage temperature -30 ~ 60 °C
- Operating temperature -20 ~ 45 °C (derating > 45 °C)
- Relative humidity 0 – 95 % (non-condensing)
- Maximum altitude ≤ 3000 m (derating > 3000 m)
- IP65 protection
- CAN, RS485, Ethernet communication
- Modbus / MQTT protocol
- Dimensions (W×D×H) 2370 × 1500 × 2260 mm
- Parallel connection mode 5 (grid-connected), 2 (off-grid)
- Certifications UL1973, UL9540A, UL9540 / IEC 62619, IEC 63070 (EN process)
- Transport UN 38.3, UN 3480
Additional benefits
- Optimal performance in demanding climates thanks to liquid thermal management.
- Multilayer safety with active and passive extinguishing systems.
- Modular scalability: allows progressive capacity and power upgrades.
- Intelligent operation: local control via HMI and continuous remote monitoring.
- High efficiency and reliability: more than 98% efficiency and up to 12,000 life cycles.
- Ideal for photovoltaic, industrial and hybrid grid projects.
