BESS Energy Storage System AC 400V 125kW

Optimizing heavy AC 400V grids, the BESS Energy Storage System integrates a 125kW PCS output with a massive 271kWh battery capacity. The BESS-T-125-271-120W serves as a resilient outdoor energy storage system, utilizing an intelligent two-level BMS for demanding commercial peak shaving and reliable grid backup.

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ModelBESS-T-125-271-120W
AvailabilityIn stock
  • CE & TUV certified
  • Worldwide shipping
  • OEM & ODM support

Product Features of the BESS Energy Storage System

Engineered for safe outdoor deployment, this BESS Energy Storage System incorporates a dry self-cooling thermal management module to maintain optimal cell efficiency.

  • Massive Energy Capacity: Utilizes a high-density 1P 270 S configuration of 314Ah modules, delivering 271kWh of continuous energy storage.
  • High-Efficiency AC Routing: The integrated power conversion system achieves ≥98.5% maximum efficiency, significantly minimizing power loss during high-load distribution.
  • Ultimate Safety Architecture: Housed in a rigid IP55 fire and explosion-proof cabinet, fortified with a dedicated aerosol fire module to isolate electrical faults instantly.
  • Advanced PV Integration: Manages up to 12 PV input strings with a 200V-900V MPPT tracking range, allowing seamless solar pv storage harvesting.
  • Smart Grid Prioritization: Supports multi-level priority control to balance and ensure reliable power supply between local photovoltaic arrays and the utility grid.

Environmental & Operating Conditions

Built for extreme grid bess demands, the unit operates efficiently from -30°C to +60°C (activating thermal derating above 45°C) and sustains performance at 4000m altitudes. It operates safely within a 5% to 95% non-condensing humidity range.

Certifications & Standards

Meeting strict global safety codes, the system complies with CE, IEC62619, and UN38.3 standards to guarantee secure commercial battery integration and safe transport.

Commercial Applications utilizing the BESS Energy Storage System

Integrating the BESS-T-125-271-120W eliminates localized load fluctuations for infrastructures relying on a dependable BESS Energy Storage System.

Applications & Use Cases

  • PV-ESS-Charging Stations: Acts as the core power conversion system bess to regulate and support intensive electric vehicle charging loads efficiently.
  • Industrial Peak Shaving: Functions as a robust bess solar system, storing off-peak electricity and discharging during high-tariff commercial hours to reduce operational costs.
  • Microgrid Stability: Secures independent AC grids by balancing PV generation and facility consumption, effectively acting as an uninterrupted commercial grid storage node.

Technical Specifications of the BESS Energy Storage System

Evaluate the precise electrical parameters below to align this BESS Energy Storage System accurately with your commercial AC/DC load and generation requirements.

Battery & PCS Parameters

BESS-T-125-271-120W System Specifications
Battery Cluster Data (DC Side)
Rated Energy 271kWh Rated Capacity 314Ah
Rated Voltage 864V DC Output Voltage Range 756V – 950V DC
Grouping Method 1P 270 S Max Continuous Current 157A (Charge/Discharge)
PCS Parameters (AC Side)
PCS Output Power 125kW Max Continuous Output 137.5kW
Rated Current 181A PCS Overload Capacity ×1.1 continuous; ×1.25 (30ms)
AC-Side Voltage 3P3W+PE / 3P4W+PE, 400V Frequency 50 / 60Hz
Maximum Efficiency ≥ 98.5% Total THDi < 3%

MPPT & PV Side Data

Photovoltaic Input & Tracking
Max PV Array Voltage ≤ 900V DC (Must not exceed rear battery tolerance)
MPPT Voltage Range 200V – 900V DC (Rated: 560V – 900V)
PV Input Strings 12
Maximum Branch Current 20A
Rated Output Power (High Voltage Side) 120kW
Rated Output Current 168A (Max: 240A)

Dimensions

Verify exact enclosure measurements and physical data associated with this BESS Energy Storage System to ensure secure outdoor pad mounting.

Dimensions & Wiring

The IP55 rated cabinet features an integrated 7-inch resistive touch screen, allowing for immediate onsite configuration and parameter access.

bess energy storage system Dimension

System Physical Data
Dimensions (W × D × H) 1500 mm × 1520 mm × 2400 mm
Degree of Protection IP55
Fire Protection System Aerosol fire module
Display 7-inch resistive touch screen
Cooling Concept Dry self-cooling
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