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257kWh DC Battery Cabinet

241kWh DC Battery Cabinet integrates high-capacity 314Ah cells to maximize energy density and system stability. Featuring a modular, PV-ready design, it supports seamless off-grid operation and black start capability. Its standard BMS protocol ensures plug-and-play compatibility with multi-brand PCS, providing a scalable and reliable energy storage solution.
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Modular Stacking & Easy Expansion Modular Stacking & Easy Expansion

Adopts a building-block design that allows for flexible, tool-free capacity expansion via multi-unit parallel connection. It simplifies logistics and on-site installation, enabling users to scale their system as energy needs grow.


High-Capacity 314Ah Cells High-Capacity 314Ah Cells

Utilizes large-format 314Ah battery cells to reduce the number of parallel connections, lower system resistance, and achieve higher energy density.


Off-Grid & PV-Ready Integration Off-Grid & PV-Ready Integration

Features true off-grid operation with fast switchover (black start capable) to act as a primary power source during outages. Optimized for DC coupling, it maximizes self-consumption of solar energy, ensuring stable power even in weak or unstable grid environments.

Standard BMS Protocol Adaptability Standard BMS Protocol Adaptability

Engineered for multi-brand compatibility, supporting international communication standards like Modbus, CAN. This ensures plug-and-play interoperability with leading local PCS brands and existing EMS systems.


Specifications

Specifications of 257kWh DC Battery Cabinet

ItemSpecification
CellRated Voltage (V)3.2
Rated Energy (Ah)314
Cell TypeLFP
Battery PACKRated Voltage (V)51.2
Rated Energy (kWh)16.08
Cell Configuration1P16S
Dimension (W*H*D) mm464*230*800
IP RatingIP20
Battery CabinetRated Voltage (V)819.2
Voltage Range (V)716.8~921.6
Cluster Configuration1P16S-16S
Rated Charge/Discharge Current (A)157
Rated Energy (kWh)257
Thermal ManagementAir Cooling
Fire Suppression SystemHeat Detector + Smoke Detector + Aerosol
Cabinet IP RatingIP54
Working Temperature (°C)-20~+55
Storage Temperature (°C)0~+45
Humidity0-95%RH(No condensation)
Weight2300kg
Dimension(mm)1200*1300*2280(W*D*H)
Compatible with AC-side brands (PCS or Hybrid Inverter): Solinteg, Sinexcel, Megarevo, Hopewind, Kehua, Enjoypowers, and more...



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