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GWB241kWh Commercial Battery Energy Storage System

The 241kWh commercial battery energy storage system is an integrated energy storage solution designed specifically for industrial and commercial scenarios. Centered on lithium iron phosphate (LFP) cells, it integrates the entire system of PCS, BMS, and EMS. With a stable capacity of 241kWh and a rated power of 100–125kW, it focuses on cost control and safety protection, providing cost-effective energy management services for factories, shopping malls, data centers and other scenarios, helping enterprises reduce costs, improve efficiency and ensure safe electricity use.
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//Core Structure & Functions

1.Battery Cluster Module

Adopts high-safety lithium iron phosphate (LFP) cells with a nominal capacity of 241kWh.

Stable cycle life of 6,000+ cycles at 80% DOD.

Supports peak shaving & valley filling, PV consumption, backup power, and other applications, serving as the core unit for cost reduction and efficiency improvement in commercial and industrial scenarios.

2. BMS (Battery Management System)

Monitors cell voltage, temperature, and SOC status in real time.

Implements cell balancing and protections against overcharge, over-discharge, and overcurrent.

Supports remote operation and maintenance (O&M) and fault early warning, greatly reducing O&M costs and safety risks.

3. PCS (Power Conversion System)

Bidirectional AC/DC conversion with a rated power of 100–125kW.

Supports seamless grid-tied / off-grid switching.

Provides voltage stabilization, frequency regulation, and reactive power compensation, compatible with C&I loads and PV power station access.

4. Thermal Management & Fire Protection System

Intelligent air / liquid cooling, adaptable to a wide temperature range of -25°C ~ 60°C, slowing cell degradation.

Equipped with PACK-level explosion-proof protection, smoke detection, and automatic fire extinguishing devices, complying with commercial and industrial safety standards.

// Product Features

  1. Automotive-Grade Quality & Rigorous R&D

    The system design meets strict automotive-grade standards, ensuring outstanding durability, safety, and performance under harsh conditions.

  2. Full-Lifecycle Operational Optimization

    Focused on optimizing total cost of ownership and performance throughout the system lifecycle, from installation to end-of-life, maximizing long-term return on investment.

  3. Advanced & Efficient Operation & Maintenance (O&M)

    Proprietary O&M technology minimizes downtime, reduces maintenance costs, and ensures the system operates at peak efficiency.

  4. Guaranteed System Stability & Reliability

    Designed for stable and reliable operation, providing uninterrupted power and peace of mind even in critical applications.

  5. Dynamic & Adaptive Energy Management

    Supports dynamic switching of energy control strategies, intelligently adapting to real-time changes in grid conditions, energy prices, and on-site load demands.

//Technical Specifications

Item

Technical Parameters

System Capacity

241kWh

Nominal Battery Voltage

768V

Battery Chemistry

LiFePO4 (LFP)

Battery Module Configuration

76.8V / 314A

System Power & Capacity

125kW / 241kWh

Capacity

314Ah

Operating Voltage Range

672V – 876V

Max. Charge / Discharge Current

200A

Charge / Discharge Rate

0.5C / 0.5C

Depth of Discharge (DOD)

≥95%

Cycle Life

8,000+ cycles

Battery Disconnection

Circuit breaker

Cooling Method

Air cooling

Dimensions (WDH)

1300 × 1200 × 2400 mm

Protection Class

IP54

System Efficiency

98%

Fire Protection System

Integrated manual + automatic

Ambient Temperature

-30°C ~ 55°C

Relative Humidity

0% ~ 95% (non-condensing)

Corrosion Resistance

C5

Weight

2.5 tons

Short-Circuit Withstand Capacity

≥20kA (8/20μs)

Lifting

Forklift (bottom), lifting lugs (top)

Scalability

1–5 units per set

Optional Accessories

100kW MPPT

200kVA single-stage unit

125kVA transformer

Installation

Indoor / outdoor (tent shelter recommended)

Communication Interface

RS485

Communication Protocol

Modbus TCP/IP

Remote Control

EMS Cloud Platform

// Main Application Scenarios

1. Commercial & Industrial Peak Shaving & Valley Filling

  • Applicable users: Factories, industrial parks, commercial complexes, hotels, office buildings and other sites under two-part tariff schemes.

  • Core value: Charges during low-price nighttime periods and discharges during high-price daytime periods to directly reduce electricity costs. Reduces peak loads and lowers transformer capacity fees.

2. PV Integration (Supporting Scenario)

  • Applicable users: Commercial & industrial rooftop PV, distributed power stations, park PV projects.

  • Core value: Stores surplus PV power generated during the day for self-consumption at night, greatly improving PV self-consumption rate and solving PV curtailment. Supports grid feed-in for arbitrage.

  • Matching scale: Single cabinet suitable for 100–200kW PV power stations, standard energy storage solution for small and medium C&I PV projects.

3.Backup Power Supply

  • Applicable users: Data centers, hospitals, continuous-production factories, precision equipment workshops, communication base stations.

  • Core value: Seamless switchover during grid outages, providing stable power for critical loads to avoid production interruptions, data loss or equipment damage.

  • Duration: Approximately 2.4 hours of continuous power supply at full 100kW load, sufficient for emergency shutdown and data backup.

4. Microgrid & Off-Grid Power Supply

  • Applicable users: Remote mining areas, island projects, regions with unstable grids, independent microgrid systems.

  • Core value: Works with diesel generators or wind power to stabilize system voltage and frequency. Serves as core energy storage to ensure reliable off-grid power supply. Can participate in grid demand response for additional subsidies.

5. Virtual Power Plant (VPP) Aggregation

  • Applicable users: Industrial parks, multi-user aggregation projects, grid peak-shaving demand response programs.

  • Core value: Multiple 241kWh systems connected in parallel to participate in grid peak shaving, frequency regulation and demand response, bringing additional ancillary service revenue for enterprises.

//Frequently Asked Questions (FAQ)

Q1: Is professional installation required?

A: Yes. The system involves high-voltage DC and 380/400V three-phase AC power, including high-voltage wiring and grid connection. Non-professional operation may cause electric shock, short circuit or fire hazards.

Q2: What type of battery is used? How about safety?

A: Lithium iron phosphate (LFP) cells are adopted, featuring no thermal runaway risk, long cycle life (≥6,000 cycles) and strong environmental adaptability. Equipped with PACK-level explosion-proof, smoke alarm and automatic fire extinguishing devices, with high protection grade suitable for outdoor installation.

Q3: Can it operate normally in high or low temperature environments?

A: The thermal management system supports stable operation in a wide temperature range of -25°C ~ 60°C. Air-cooled versions suit mild climates, while liquid-cooled versions effectively control cell temperature even in high-temperature areas above 40°C, slowing degradation and extending service life.

Q4: What is the operating temperature range?

A: With intelligent temperature control (air / liquid cooling), the system can charge and discharge normally within -20°C ~ +55°C.

It automatically heats in low temperatures and dissipates heat in high temperatures to ensure cell life and safety.

When exceeding the temperature range, the system activates power-limiting protection to avoid battery damage.

Q5: What safety protections does the system have?

A: Full protections including overcharge, over-discharge, overcurrent, over-temperature and short-circuit protection, plus BMS active balancing, PACK-level explosion-proofing, smoke detection and automatic fire extinguishing.

Complies with major certifications such as UL1973, GB/T36276, CE and international grid-connected safety standards.

Q6: Does the system require daily maintenance?

A: The integrated cabinet design eliminates complicated daily maintenance. Only regular inspections of ventilation, heat dissipation and terminal connections are needed. Remote monitoring and fault early warning are supported, resulting in extremely low O&M costs.

//Application scenarios

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