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FlexCube-E

Mobile Energy Storage System

Application Scenarios

Ideal for off-grid or weak-grid areas such as construction sites, mines, islands, fishing villages, grasslands, and deserts lacking reliable grid power. The diesel storage system serves as an independent power supply. When under load, the energy storage system works together with the diesel generator to significantly reduce diesel consumption and improve power supply stability.

Abundant Interfaces

Features a standard 400A single-core PowerLock quick-connect input/output interface for high-power applications and a 125A five-core quick-connect input interface for rapid charging and efficient deployment. Offers a variety of AC output interfaces: AC 380V 63A/32A/16A sockets for powering small construction machinery. Customizable socket options are available.

Proven System Reliability

Dual redundancy with energy storage + diesel. Total battery system capacity of 474/711 kWh (using CATL battery cells). Adapts to complex energy demands.

Flexible Product Transport

Designed to fit a standard 10-foot shipping container for easy transportation. After use at one site, it can be easily transported to the next location for deployment.

Multiple Power Control Modes

The system supports VF, PQ, and VSG modes to meet the power support requirements of complex field operations.

Liquid Cooling

Employs liquid-cooled battery packs. Liquid cooling offers superior temperature uniformity and heat dissipation efficiency compared to air cooling, enabling high-rate operation and extending lifespan. The IP67 rating ensures performance in harsh environments, including high temperatures, humidity, and dust.

Product Details & Specifications

ModelFlexCube-EL-500kW/784kWhFlexCube-EL-500kW/522kWh
Basic Parameters
System Capacity783.744kWh522.496kWh
Battery Parameters
Cell TypeLithium Iron Phosphate (LFP)
Cell Specifications3.2V 314Ah
Discharge Rate1C
Pack Assembly Method1P52S
Rack Assembly Method1P260S
Stack Assembly Method3P260S
IP RatingIP67
AC Output
Rated Output Power500kW
Rated Output VoltageAC400V, 3P+N+PE
Rated Output Frequency50Hz
Output Interface 12*400A Powerlocks
Output Interface 23P+N+PE,1*63A CEE,1*32A CEE,1*16A CEE
AC Input
Rated Input VoltageAC400V, 3P+N+PE
Charging Input Range340~460V
Rated Input Frequency50Hz
Charging Interface 11*400A Powerlocks
Charging Interface 21 × 63A CEE (125A optional)
Configuration
Automatic Grid Connection/DisconnectionSupported
Grid Connection/Disconnection Transfer Time≤20ms
Charger40 kW (80 kW optional)
Power Control ModePQ/VF/VSG
External Anti-Backflow MeterIncluded
System Parameters
Number of Units in Parallel2
Cooling MethodLiquid cooling
Communication InterfaceModbus TCP
Operating Temperature Range-20℃~50℃
Noise75dB
Altitude2000m
IP RatingIP54
Corrosion Protection RatingC4
Dimensions (W×H×D)2438*2591*2991mm
WeightApproximately 13 tonsApproximately 11.2 tons
CertificationsEN 50549-1/10; EN 50549-2/10; IEC 61000-6-2; IEC 61000-6-4; IEC 60529; IEC 62619; IEC 62477; IEC 60370; UN 38.3; RoHS

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