1MWh Battery Energy Storage System | Containerized C&I BESS

The E10FT1044LP-2 is a compact 1MWh battery energy storage system designed for commercial and industrial applications, enabling peak shaving, backup power, and renewable energy integration.

Peak Shaving & Load Shifting
On-Grid & Off-Grid Operation
PV + BESS + Diesel Integration
Liquid Cooling & Fire Protection

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Description SPECS FAQS

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Product Overview

The E10FT1044LP-2 is a 10-foot containerized Battery Energy Storage System (BESS) designed specifically for commercial and industrial applications, featuring a rated system voltage of 400V.

The system integrates battery packs, a comprehensive 3S architecture (BMS, EMS, and PCS), liquid cooling thermal management, fire suppression systems, and a Static Transfer Switch (STS) into a single containerized platform. Supporting coordinated operation with solar PV, energy storage, and diesel generators, it provides a safe, flexible, and turnkey green energy solution for diverse energy management requirements.

Key Features

Flexible Expansion with Dual Operating Modes

Integrated with POC cabinets, EPS cabinets, and STS cabinets, the system supports both grid-connected and off-grid operation modes. This flexibility enables users to achieve peak electricity cost savings during normal operation while ensuring reliable backup power during grid outages.

All-in-One Design, Plug-and-Play Deployment

The system incorporates a fully integrated 3S architecture, liquid cooling technology, and multi-level fire protection systems. Factory pre-assembly and testing significantly reduce onsite installation time, engineering complexity, and project costs.

Millisecond-Level Power Continuity

Equipped with a high-performance Static Transfer Switch (STS), the system can seamlessly transfer power within 20 milliseconds during utility failures, providing UPS-level backup power for critical equipment and essential production lines.

Enhanced Safety and Fault Tolerance

Featuring an independent battery cluster management architecture, the system enables real-time dynamic balancing and precise fault isolation. This design significantly improves long-term operational safety, battery utilization, and overall system availability.

Application Scenarios

Commercial & Industrial Peak Shaving and Load Shifting

Leverage time-of-use electricity pricing to reduce energy costs, optimize power consumption, and defer transformer capacity upgrades.

Off-Grid and Remote Microgrids

Ideal for mining operations, islands, remote communities, and weak-grid regions. By integrating solar PV, battery storage, and diesel generation, the system significantly reduces fuel consumption and operating expenses.

Emergency Backup Power

Provides millisecond-level backup power for data centers, telecommunications base stations, hospitals, and precision manufacturing facilities, ensuring uninterrupted business operations.

Renewable Energy Integration and Distribution Network Support

Mitigates renewable energy intermittency, improves power quality, enhances grid stability, and increases local renewable energy consumption efficiency.

Specifications

Battery Side
Communication Interfaces	＜100ms
Cell Type	LFP/314 Ah
Pack Configuration	52.2 kwh/1P52S
System Configuration	1044 kWh/4P260S
Rated DC Voltage	832V
DC Voltage Range	728 ～936V
Max. Charge/Discharge Rate	728 ～936V
Max. Depth of Discharge	100%(25±2°C)
Grid Side
Rated Output Power	500kW
Max. Apparent Power	550 kVA
Rated AC Voltage	400 V
AC Voltage Range	±15%
Grid Type	3W+N+PE
Rated Frequency	50Hz/60Hz
On/off-grid Switching Time	<20 ms
Power Factor	0.99/-1～+1
THDi	≤3%
DC Ratio	<0.5%lpn
Backup Side
Max. PV Inverter Input Current	800A
Max. Diesel Generator Input Current	800A
Max. Backup Load Port Current	800A
Recommended Max. Backup Load Power*	350 kW (70% of Rated Output Power)
Protection Rating
Cycle Life	≥ 8,000 cycles
Communication	Modbus TCP/IP
Fire Suppression System	Aerosol system (pack level and container level), water spray system
Ingress Rating	IP54
Cooling	Liquid cooling+Forced air cooling
Operating Temperature	-25°C~55°C (Derating after 45°C)
Anticorrosion Rating	C4 (C5 optional)
Humidity	C4 (C5 optional)
Noise	≤80 dB
AItitude	3000m (Derating above 2000m)
Dimensions (WDH)	299124382591mm
Weight	14t
Certification	UN38.3, IEC62477-1, CE/EMC, IEC62619, IEC63056, UL9540A, EN50549

PARAMETERS	SPECIFICATIONS
Product Specification	48V 12Ah
Nominal Voltage	48V
Nominal Capacity	12Ah
Battery Energy	576Wh
Rated Power	1000W
Operating temperature range	-4°F~122°F(-20~50℃)
Dimensions (LxWxH)	145115235mm
Battery Manufacturers	AnengJi
Battery Support	Wholesale, OEM.ODM

What is a 1MWh battery energy storage system used for?

A 1MWh battery energy storage system (BESS) is commonly used for peak shaving, load shifting, backup power, renewable energy integration, and microgrid applications. It helps businesses reduce electricity costs, improve energy reliability, and maximize the use of solar power.

How long can a 1MWh BESS provide backup power?

The backup duration depends on the connected load. For example, a 1MWh energy storage system can supply approximately 1MW of power for 1 hour, 500kW for 2 hours, or 250kW for 4 hours. Actual runtime varies based on energy consumption and operating conditions.

Can this 1MWh battery storage system work with solar panels?

Yes. The system is designed to integrate seamlessly with solar PV systems. Excess solar energy can be stored during the day and discharged when electricity demand is high or solar generation is unavailable, improving overall energy efficiency and reducing grid dependency.

Does the system support both on-grid and off-grid operation?

Yes. The E10FT1044LP-2 supports both grid-connected and off-grid modes. With its integrated STS and intelligent energy management system, it can switch seamlessly between operating modes to ensure continuous power supply.

What safety features are included in the 1MWh BESS?

The system incorporates advanced safety measures, including liquid cooling technology, intelligent battery management, real-time monitoring, multi-level fire suppression, fault isolation, and independent battery cluster management to ensure safe and reliable operation.

How quickly can the system be installed and commissioned?

As a pre-engineered and factory-tested containerized solution, the 1MWh BESS significantly reduces onsite installation and commissioning time. Most projects can be deployed faster than traditional energy storage systems, helping businesses accelerate project implementation and return on investment.