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ECO 12kW/32kWh Integrated Grid-Connected Energy Storage System (Distribution Area Power Management – Single-Phase Maximum Capacity)

The ECO12kW/32kWh is the highest-capacity model in Changhong’s Taiqu electric energy management single-phase series. It has a rated output power of 12kW (maximum 13.2kVA) and is equipped with four 8kWh battery modules, providing a total storage capacity of 32kWh. The photovoltaic system supports a maximum input voltage of 1000Vdc and can be connected to the grid either via single-phase 230V or three-phase 400V. The large 32kWh capacity delivers extended endurance—approximately 46.8 hours for typical household use—making it ideal for single-phase scenarios at the end of the distribution network where long-term off-grid operation or greater energy storage requirements are needed.

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    01

    Single-phase maximum capacity

    32 kWh (4 × 8 kWh modules); the single-phase series offers the longest range, with an estimated daily household usage duration of approximately 46.8 hours.

    02

    12High-power output of kW

    Rated at 12 kW, maximum 13.2 kVA, single-phase/three-phase compatible grid connection

    03

    High-power PV input

    Maximum input voltage 1000Vdc, MPPT range 150~1000Vdc

    04

    Modular expansion

    The string-based architecture supports mixed use of new and old components, and fault isolation does not affect overall operation.

    05

    Cloud-based comprehensive monitoring

    CAN/RS485/4G communication, real-time monitoring, and early warning of risky battery cells.

    06

    Perfluorohexanone fire suppression + IP54 protection

    Ensures safe outdoor operation, with a working temperature range of -25℃ to 50℃.

    ECO6kW16kWh丨ECO12kW24kWh丨ECO12kW32kWh

    ApplicationApplication Scenarios

    Urban and Rural Distribution Network Substation End-Point High-Load/Long-Range Single-Phase Scenario
    Microgrid in Remote Areas (Long-Term Off-Grid Operation)
    Large-scale Distributed Photovoltaic + Energy Storage System (Single-phase)
    Long-term emergency power backup for daily household use (longest duration of power outage protection)
    Small commercial and industrial facilities with all-day backup power
    Energy storage power supply for agricultural irrigation and aquaculture facilities

    ReferenceUse time reference

    The above data were obtained by the internal laboratory under specific environmental conditions. Actual usage duration may vary depending on factors such as load type, ambient temperature, and battery condition; please refer to actual testing results for accurate information.

    Use case

    Battery life

    Power Outage Emergency(Basic electricity usage such as lighting, refrigerators, routers, etc.

    Approximately 46.8 hours

    Small commercial (mixed electricity use for shops, offices, etc.)

    Approximately 7.1 hours

    Full-load operation (12 kW rated output)

    About 2.5 hours

    ParametersTechnical Parameters

    Photovoltaic Input Parameters

    Parameter

    Specifications

    Maximum input voltage

    1000Vdc

    MPPT voltage range

    150~1000Vdc

    Maximum input current

    20A per channel

    Grid-connection parameters for communication

    Parameter

    Specifications

    Rated output power

    12kW

    Maximum output power

    13.2kW

    Rated input voltage

    230V single-phase / 400V three-phase,3L/N/PE

    Voltage range

    145~242Vac

    Maximum Continuous Input Current

    Single-phase 80A / Three-phase 27.3A

    Rated input frequency

    50/60Hz

    Off-grid communication parameters

    Parameter

    Specifications

    Off-grid voltage exchange

    220Vac, L/N/PE

    Maximum continuous output power

    12kW

    Battery parameters

    Parameter

    Specifications

    Cell capacity

    314Ah (LFP)

    Module Nominal Capacity

    25.6/8 kWh

    Module topology/output voltage

    DCDC Boost/400Vdc

    Cycle life

    6000Next (95% DO)D & EOL: 80% SOH)

    Magnification

    0.5P

    Number of modules / Battery capacity

    4One module / 32 kWh

    System parameters

    Parameter

    Specifications

    Communication method

    CAN/RS485/4G

    Fire protection system

    Perfluorohexanone Fire Extinguishing

    Cooling method

    Forced air cooling

    Operating temperature range

    -25℃~50℃

    Protection rating

    IP54

    Cabinet dimensions (width × height × depth)

    <722×1493×1025mm

    Weight

    <480kg

    Working altitude

    <4000m

    Operating humidity range

    5Approx. 95% RH (no condensation)

    Noise

    <65dB

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