The BR-261 Outdoor All-in-One Energy Storage System is a high-performance 100kW / 261kWh commercial and industrial (C&I) energy storage solution. The system integrates battery packs, Energy Management System (EMS), Power Conversion System (PCS), and Battery Management System (BMS) into a single outdoor cabinet.
Designed for industrial parks, commercial buildings, factories, data centers, solar + storage projects, and microgrids, BR-261 helps users reduce electricity costs, improve energy efficiency, and participate in demand response and power market trading.
Key Advantages & Features
All-in-One Integrated & Intelligent Design
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Highly integrated cabinet with EMS + PCS + BMS
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Modular architecture supporting flexible expansion and parallel operation
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Redundant auxiliary power supply for enhanced reliability
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Cloud-edge collaboration for real-time monitoring, data analysis, and fault warning
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Simplified installation and reduced operation & maintenance costs
Advanced Liquid Cooling Temperature Control
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Intelligent liquid cooling system for stable thermal management
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Maximum battery temperature ≤ 38°C under full load
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Cell temperature difference ≤ 3°C
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Built-in low-temperature heating function for cold-climate operation
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Significantly extends LFP battery cycle life and improves system consistency
Multi-Level Safety & High Reliability
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Battery safety: Lithium Iron Phosphate (LFP) cells with intrinsic safety
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Fire protection: Aerosol fire suppression at both battery-pack and system levels
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Electrical protection:
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AC side Level-2 lightning protection with fault alarm
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Leakage current detection and protection
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Structural safety:
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Explosion-proof cabinet design
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50 mm fire-resistant rock wool insulation
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≥1-hour fire resistance
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High Protection for Outdoor Installation
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Protection rating: IP55
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Corrosion resistance: C4
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Suitable for direct outdoor ground installation
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Reliable operation in high-temperature, high-humidity, and dusty environments
Technical Specifications
System Parameters
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Model: BR-261
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Rated Output Power: 100 kW
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System Capacity: 261 kWh
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AC Voltage / Frequency: 380 / 400 Vac, 50 / 60 Hz (Three-phase, five-wire)
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Battery Voltage Range: 650 ~ 949 V
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Maximum Round-Trip Efficiency: ≥98.2%
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Dimensions (W × D × H): 1100 × 1400 × 2380 mm
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Weight: ≤3000 kg
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Operating Temperature: -20°C ~ 55°C
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Protection Rating: IP55
PCS Parameters
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Rated Output Current: 144 A
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Maximum Parallel Units: 8
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Power Factor Range: -0.99 ~ +0.99
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Total Harmonic Distortion (THDi): ≤3%
Battery Parameters
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Cell Type: Lithium Iron Phosphate (LFP)
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Cell Specification: 3.2V 314Ah
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Cycle Life: ≥6000 cycles
(25°C ±2°C, 0.5C charge/discharge, remaining capacity ≥70%) -
Operating Temperature:
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Charging: 0 ~ 55°C
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Discharging: -20 ~ 55°C
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Application Scenarios
Peak Shaving & Load Management
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Peak-valley arbitrage
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Demand charge reduction
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Lower electricity bills for commercial users
Solar + Storage / Wind + Storage Systems
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Increase solar self-consumption rate
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Smooth renewable energy output
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Improve power quality and grid stability
Microgrids & Off-Grid Power Supply
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Islands, remote areas, and weak grid regions
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Core power unit for solar-storage microgrids
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Backup and emergency power supply
Virtual Capacity Expansion
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Supplement power during peak loads
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Delay or avoid costly grid capacity upgrades
Demand Response & Energy Trading
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Respond to grid dispatch instructions
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Earn demand response incentives
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Support participation in electricity markets
Conclusion
The BR-261 100kW 261kWh Outdoor All-in-One Energy Storage System combines high integration, liquid cooling technology, advanced safety protection, and intelligent energy management.
It is an ideal commercial and industrial energy storage solution for reducing energy costs, enhancing renewable energy utilization, and improving power supply reliability in modern energy systems.
