ECO 12kW/24kWh Integrated Grid Energy Storage System (Distribution Area Power Management – Single-Phase)

The ECO12kW/24kWh is a medium-to-high-power, single-phase power management and energy storage integrated system designed by Changhong for small and micro-load scenarios at the end of distribution network feeder sections in both urban and rural areas. It is equipped with three 8kWh battery modules, providing a total storage capacity of 24kWh. The system supports two grid-connection modes: single-phase 230V and three-phase 400V, with a maximum photovoltaic input voltage of 1000Vdc (MPPT range: 150–1000Vdc). It features core capabilities such as cloud-based comprehensive monitoring, independent phase control, and a string-module architecture, making it well-suited for large-scale voltage regulation and energy storage applications in distribution network feeder sections.

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12High-power output of kW

Rated at 12 kW, with a maximum of 13.2 kW, it meets the demands of larger single-phase loads.

Single-phase/Three-phase compatible grid connection

Supports two grid-connected modes: 230V single-phase and 400V three-phase (3L/N/PE).

High-power PV input

Maximum input voltage: 1000 Vdc; MPPT range: 150–1000 Vdc; 20 A per channel.

String module architecture

Supports mixing new and old batteries; fault isolation does not affect overall operation.

Cloud-based comprehensive monitoring

CAN/RS485/4G communication, with early identification and warning of risky battery cells.

ApplicationApplication Scenarios

Large single-phase load scenarios at the end of distribution network feeder sections in urban and rural areas

Voltage Management at the End of Rural Power Grids (Low-Voltage/Overvoltage Regulation)

Distributed Photovoltaic + Energy Storage Microgrid (Larger Scale)

Long-term emergency power backup for daily household use (basic power supply during power outages)

Community-level backup power / hybrid power supply for small businesses

Backup Power for Telecommunications Equipment Rooms/Small Data Centers

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, refrigerators, routers, etc.	Approximately 35.0 hours
Small commercial (mixed electricity use for shops, offices, etc.)	Approximately 5.3 hours
Full-load operation (12 kW rated output)	Approximately 1.9 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	13.2kVA
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	3One module / 24 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	<410kg
Working altitude	<4000m
Operating humidity range	5Approx. 95% RH (no condensation)
Noise	<65dB

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