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Industrial and Commercial ESS-261kWh – OP-261KNYBN
Product Model: OP-261KNYBN
- Grid-Connected AC Parameters:
- Rated Power: 188 kW
- Rated Current: 211 A
- Rated Voltage: AC400V ± (20%~15%)
- Rated Grid Frequency: 50Hz/60Hz
- TDD: <3% (total harmonic distortion)
OP-261KNYBN Energy Storage System (ESS) – 261 kWh
The OP-261KNYBN Energy Storage System (ESS) is designed to meet the energy storage needs of large-scale industrial and commercial applications. With a 261 kWh capacity, this system offers high-performance energy storage while ensuring efficiency, reliability, and security for businesses looking to optimize energy usage, reduce costs, and integrate renewable energy sources.
Applications:
- Industrial Energy Storage: Perfect for large-scale industrial applications that require substantial energy storage for continuous operations and backup power.
- Commercial Energy Storage: Ideal for businesses that want to reduce energy costs by storing energy during off-peak hours and using it during peak demand periods.
- Renewable Energy Integration: Seamlessly integrates with solar and wind energy systems, enabling users to store excess renewable energy and reduce reliance on the grid.
- Power Backup for Critical Infrastructure: Provides uninterrupted power during grid outages, ensuring continuous operation of critical systems and infrastructure.
- Off-Grid Energy Supply: Suitable for remote or off-grid locations, providing independent and reliable energy storage for various applications.
Technical Specifications:
- Product Model: OP-261KNYBN
- Grid-Connected AC Parameters:
- Rated Power: 188 kW
- Rated Current: 211 A
- Rated Voltage: AC400V ± (20%~15%)
- Rated Grid Frequency: 50Hz/60Hz
- Total Harmonic Distortion (TDD): <3%
- AC Input/Output Parameters:
- Input Voltage Range (Vdc): 250-580V
- Maximum Input Current (A): 120A
- Rated Inverter Frequency: 50/60Hz
- Short-Circuit Current: 220A
- Rated Output Current: 221A
- Battery System Parameters:
- Battery Type: Lithium Iron Phosphate (LFP)
- Battery Capacity: 261 kWh
- Battery Pack Configuration: 19P/26S
- Rated Charge/Discharge Current: 0.5C
- Voltage Range: 728V – 936V
- Communication & Configuration:
- Communication Mode: Ethernet, wireless 4G
- Fire Protection: DC Type I/II
- System Efficiency: 85%
Safety & Compliance:
- Fire Protection System: Equipped with a three-level fire protection system, ensuring maximum safety during operation in industrial environments.
- Reliable Cooling: The intelligent air cooling system maintains optimal temperatures, preventing overheating and maintaining efficient performance.
- Environmental Protection: Designed to operate in ambient temperatures ranging from -15°C to +50°C, making it suitable for use in various climates and harsh environments.
- Protection Rating: With an IP54 rating, the system is resistant to dust and water, providing reliable protection in demanding conditions.
- Global Compliance: Fully complies with international standards for energy storage systems, ensuring safety, high performance, and regulatory compliance.
Benefits:
- Cost-Effective Energy Storage: Helps businesses and industries store energy during low-demand periods and use it during peak demand, significantly reducing electricity costs.
- Enhanced Sustainability: Supports the integration of renewable energy sources such as solar and wind, enabling businesses to reduce carbon footprints and increase energy independence.
- Reliable Backup Power: Offers a reliable backup power solution during grid outages, ensuring uninterrupted operations for critical infrastructure.
- Flexible Integration: Can be configured for both AC and DC systems, providing flexibility for a variety of energy storage applications.
- High Efficiency: The 85% system efficiency ensures that the stored energy is used effectively, reducing losses and maximizing energy output.
Long Life and Reliability:
- Durable Lithium-Ion Technology: Built with Lithium Iron Phosphate (LFP) batteries, the system offers a long lifespan with a high number of charge/discharge cycles, ensuring reliable, long-term performance.
- Minimal Maintenance Requirements: The system is designed for low maintenance, reducing operational costs and ensuring that businesses can rely on the system for years without frequent upkeep.
- High Efficiency for Longevity: With 85% system efficiency, the ESS ensures that stored energy is used effectively, reducing waste and maximizing return on investment over time.
- Reliable Performance in Harsh Conditions: Designed to operate effectively in extreme temperatures and challenging environments, ensuring consistent and reliable performance no matter the conditions.
Intelligent Cooling:
- The intelligent air cooling system helps maintain optimal operating temperatures, preventing overheating and extending the system’s lifespan.

What is the capacity of the OP-261KNYBN Energy Storage System?
The OP-261KNYBN provides a nominal capacity of 261 kWh, making it ideal for large-scale industrial and commercial applications that require high-capacity energy storage and efficient backup power.
What is the capacity of the OP-261KNYBN Energy Storage System?
Yes, the OP-261KNYBN seamlessly integrates with solar and wind energy systems, allowing you to store excess renewable energy for later use, increasing sustainability and reducing reliance on the grid.
What safety features does the OP-261KNYBN include?
The OP-261KNYBN comes with a three-level fire protection system, an intelligent air cooling system, and IP54 protection rating for dust and water resistance, ensuring safe and reliable operation in industrial environments.
How does the cooling system work in the OP-261KNYBN?
The OP-261KNYBN is equipped with an intelligent air cooling system, which ensures the system stays within optimal temperature ranges, preventing overheating and maintaining efficient performance.
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- Altitude: Up to 6000 meters
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- System Efficiency: 85%
- Protection Rating: IP54 (dust and water-resistant)
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-
Dimensions: 1050mm x 1830mm x 800mm
-
Operating Temperature Range: -30°C to 50°C
-
System Efficiency: 95%
-
Battery Type: Lithium-ion
-
Maximum Output Power: 300W
-
Maximum Input Current: 32A-32A
-
PV Power: 19.5kW to 19.9kW
-
MPPT Voltage Range: 320V-850V
-
Maximum Input Voltage: 850V DC
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The cabinet series adopts high-quality lithium iron phosphate batteries, equipped with an intelligent BMS battery management system, long cycle life, high safety performance, beautiful appearance, free combination, and convenient installation. LCD display, visualization of battery operating data.
* Long cycle life LiFePO4 battery cell with excellent product design, ensure 10 years use life * Vertical industry integration ensures more than 6000 cycles with 90% DoD * Compatible with most of the available Hybrid inverters *Simple buckle fixing minimize the installation time and cost * Compact and fashionable design fits in your sweet home environment * Modular design gives the end customers the power of choice of capacity * Integrated BMS and multiple safety protection design, guaranty customer using safe
National Battery Supply is a reputable manufacturer specializing in custom battery solutions. With over 20 years of experience, we can manage all your power needs.
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