522kWh Integrated PV-Storage-Charging System
The L522-M1 represents the pinnacle of integrated energy technology. This system, formally classified as a PV-ESS-DC (Photovoltaic – Energy Storage System – Direct Current) Solution, seamlessly combines Photovoltaic (PV) power generation, high-density Energy Storage (Storage), and DC Fast Charging (Charging) functionalities. With a massive capacity of 522.496 kWh and a robust dual-channel power conversion system, the L522-M1 is engineered for demanding commercial, industrial, and micro-grid applications requiring maximum performance and reliability.
It is the ideal choice for businesses seeking to maximize self-consumption of green energy, ensure critical power backup, and provide simultaneous high-speed EV charging services.
Key System Advantages
The L522-M1 is built on a foundation of expert design and cutting-edge technology:
- Ultra-High Capacity & Power: Equipped with 522.496 kWh of storage, the system delivers powerful output with a dual-channel 125kW AC output and dual-channel 120kW DC charging/discharging output.
- Flexible Integration: Features integrated PV-Storage-Charging access, compatible with multiple energy sources including Green Energy, Charging Terminals, Diesel Generators, and the Grid.
- Grid Optimization Ready: Supports flexible DC Bus Integration and seamless switching between V/F (Voltage/Frequency) and PQ (Active/Reactive Power) control modes, ensuring stability and compliance in all grid scenarios.
- Advanced Battery Lifespan Management: Utilizes a Bidirectional Active Equalization BMS solution to effectively address battery cell inconsistency, maximizing charge/discharge efficiency and achieving an impressive cell lifespan of 8000 cycles.
- Comprehensive Safety Protocols: Ensures reliable operation with multiple electrical protections, Proactive Early Warning Systems, and Rich Protection Functions (including overcurrent, reverse connection, and surge protection). The unit also features an integrated Fire Detection and Aerosol/Water-based Extinguishing solution.
System Diagram
Technical Specifications
| Model | L522-M1 |
|---|---|
| Max Battery Capacity | 522.496 kWh |
| AC/DC | |
| Rated AC Power | 125 kW∗2 |
| Rated Voltage | 400 Vac, 3W+N+PE |
| Rated Frequency | 50/60 Hz |
| DC Voltage Range | 650∼950 Vdc |
| Max DC Current | 175 A∗2 |
| MPPT | |
| MPPT Number | 6∗2 |
| Max Current per MPPT Input | 33 A |
| MPPT Voltage Range | 300∼850 V |
| Rated Power | 60 kW∗2 |
| Rated DC Current (DC Side) | 100 A∗2 |
| DC Voltage Range (DC Side) | 350∼1000 Vdc |
| DC/DC (Charging Output Voltage) | |
| Input Voltage Range | 200∼1500 Vdc |
| Output Voltage Range | 200∼1500 Vdc |
| Rated Output Power | 120 kW∗2@Output Voltage≥400 Vdc |
| Battery | |
| Voltage Range | 715∼923 Vdc |
| BMS Cycle Life | 8000 Cycles@25℃,0.5C,95%DOD,≥70%EOL |
| System Specs | |
| BMS Scheme | Bi-directional Active Balancing |
| Protection Function | Islanding protection, Over-current protection, Reverse connection protection, Surge protection, Leakage protection, etc. |
| Communication Port | RS485/CAN/Ethernet/MQTT |
| Thermal Management | Smart Liquid Cooling |
| Fire Suppression | Smoke/Temperature/Humidity detection + Automatic aerosol system |
| Isolation Type | Non-isolated |
| Altitude | ≤4000m (>3000m derating) |
| Operating Temp. | −20∼55℃ |
| Ingress Protection | IP55 |
| Weight | 7 T |
| Dimensions (LWH) | 2000∗1250∗2300mm |
| Product Certifications | GB/T 36276, GB/T 34131, UL 1973, UL 9540A, IEC 62619, UN 38.3 |
| Grid Standards | GB/T 29319, GB 98 or G99, VDE-AR-N 4105 / VDE V 0124, EN 50549-1, VDE 0126 / UTE C 15 / VFR 2019, RD 1699 / RD 244 / UNE 206006 / UNE 206007-1, CEI 0-21, C10/11, NRS 097-2-1, TOR, EIFS 2018.2, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530, MEA, PEA |