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ECO 6kW/16kWh Integrated Grid Energy Storage Unit (Distribution Area Power Management – Single-Phase)

ECO6kW/16kWh is a single-phase power management and energy storage integrated system designed by Changhong for small-scale, low-load applications at the end of distribution network feeder sections in both urban and rural areas. It adopts a string-module architecture that supports mixed use of new and old batteries and enables fault isolation. The system features independent phase-control capability, ensuring efficient and reliable voltage regulation at the end-user level. It supports solar photovoltaic input (up to 580Vdc) and can operate either grid-connected or off-grid in standalone mode. This system is ideal for applications such as addressing low-voltage issues at the end of rural power grids, small-scale distributed PV-plus-storage microgrids, and backup power supply for communication base stations.

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    01

    Single-phase power supply design

    Optimized specifically for single-phase small and micro-load scenarios at the end of distribution transformer areas, with a 230Vac output that matches rural single-phase power grids.

    02

    String module architecture

    Supports mixing old and new batteries; a single module failure does not affect overall operation, offering flexible maintenance.

    03

    Phase-separate independent control

    End-of-line voltage regulation is efficient and reliable, improving the issue of low voltage at the end of distribution areas.

    04

    PV input compatible

    Maximum input voltage: 580Vdc; MPPT range: 90–550Vdc; 20A per channel.

    05

    Perfluorohexanone Fire Suppression System

    Safe and reliable fire protection, suitable for unattended outdoor scenarios.

    06

    Forced air cooling + IP54 protection

    Adapts to complex outdoor environments, operating temperature: -25℃ to 50℃

    ECO6kW16kWh丨ECO12kW24kWh丨ECO12kW32kWh

    ApplicationApplication Scenarios

    Urban and Rural Distribution Network Substation End-Point Small-Scale Load Scenarios (Single-Phase)
    Treatment of Low Voltage at the End of Rural Power Grids
    Distributed Photovoltaic + Energy Storage Microgrid (Single-Phase)
    Daily household emergency backup power (basic electricity needs such as lighting, refrigerator, router, etc. during power outages)
    Backup power for small shops/convenience stores
    Backup power supply for communication base stations

    ReferenceUse time reference

    The above data were obtained by our 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, routers, and refrigerators.

    Approximately 23.4 hours

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

    About 3.2 hours

    Full-load operation (6kW rated output)

    About 2.5 hours

    ParametersTechnical Parameters

    Photovoltaic Input Parameters

    Parameter

    Specifications

    Maximum input voltage

    580Vdc

    MPPT voltage range

    90~550Vdc

    Maximum input current

    20A per channel

    Grid-connection parameters for communication

    Parameter

    Specifications

    Rated output power

    6kW

    Maximum output power

    6kW

    Rated input voltage

    230Vac, L/N/PE (single-phase)

    Voltage range

    145~242Vac

    Maximum Continuous Input Current

    45.5A

    Rated input frequency

    50/60Hz

    Off-grid communication parameters

    Parameter

    Specifications

    Off-grid voltage exchange

    220Vac, L/N/PE

    Maximum continuous output power

    6kW

    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

    2One module / 16 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)

    722×1493×786mm

    Weight

    <340kg

    Working altitude

    <4000m

    Operating humidity range

    5Approx. 95% RH (no condensation)

    Noise

    <65dB

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