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EOS+

Modular Solar Energy Storage System
SOLAESS-125-261/522/783/1044(125kW261/522/783/1044kWh)
SOLAESS-250-522/783/1044(250kW 522/783/1044kWh)

EOS+ Modular Solar Energy Storage System

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    Highly Modular, Scalable Design

    DC/AC, DC/DC, STS modules freely combinable for various applications
    Standard rack design enables fast deployment and easy maintenance
    Scalablefrom 261kWh to 1044kWh with parallel expansion

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    Intelligent Efficiency, Reliable Performance

    Cell-level monitoring and balancing with advanced BMS for longer lifespan
    High-efficiency 3-level PCS topology, compatible with 3P3W/3P4W grids
    Multiple modes: PQ/VF/CV/MPPT for on/off-grid applications

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    Multi-Layer Safety & Protection

    Physical isolation between electrical and battery compartments improves safety
    IP54 rating, wide operating temperature from -30°C to 55°C
    Active fire protection,thermal management, and remote emergency stop

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    Multi-Scenario Application Value

    C&l peak shaving & demand management for reduced electricity costs
    Solar integration supporting PV and EV charging synergy
    Reliable backup power for off-grid and remote installations
    Grid services: frequency regulation, black start, and microgrid operation

Product Parameters

  • SOLAESS-125-261
  • SOLAESS-125-522
  • SOLAESS-125-783
  • SOLAESS-125-1044
  • SOLAESS-250-522
  • SOLAESS-250-783
  • SOLAESS-250-1044
  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

  • Max. PV Open Circuit Voltage:630VDC
    Max. PV Power:250kW
    Operating Temperature:-25°C~+55°C (Derating > 45°C)
    Cooling Method:Liquid Cooling
    Max. Altitude:3000m (Derating > 3000m)
    Grid-Off Grid Switch Time:Auto < 10ms
    Dimensions (W*D*H):

    Battery Rack: 1100(W)*1345(D)*2254(H)mm

    Electrical Cabinet: 900(W)*1345(D)*2254(H)mm

    Weight

    Battery Rack: 2500kg

    ElectricalCabinet (excluding DC/DCand STS): 650kg

System Schematic Diagram

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Relevant Solutions

  • Multi-Energy Integration Solution for Microgrids

    In complementary power supply systems that incorporate multiple energy sources—such as solar, diesel generators, and the grid—integrated energy storage serves as the cornerstone of microgrids. It balances power output and ensures stable system operation. These solutions are ideal for remote locations like mines, islands, and mountainous areas, or any region with an unstable power supply. They are equally effective for optimizing energy use in new zero-carbon campuses.

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