Deye BOS-B Pro 125kW–2.5MW C&I ESS SolutionBESS

Features & Benefits

High Scalability: 100/125kW PCS modules with system power expandable up to 2.5MW.

Large Energy Storage: Up to 257.23kWh per BOS-B Pro battery cluster.

High Efficiency: PCS efficiency up to 98.5% and MPPT efficiency above 99.9%.

Fast Switching: STS enables switching between grid, off-grid, and generator modes in less than 10ms.

Integrated EMS: Supports zero-export and time-of-use charging and discharging control.

High PV Integration: Supports up to 200kWp PV input with 8 independent MPPT channels.

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Download Product Datasheet (PDF)

Deye BOS-B Pro 125kW–2.5MW C&I ESS Solution is a modular commercial and industrial energy storage system designed for scalable, high-performance energy management. The solution integrates BOS-B Pro lithium battery storage with PCS, MPPT, STS, and intelligent EMS functionality, enabling flexible on-grid, off-grid, generator-assisted, and PV energy applications. With system power expandable up to 2.5MW, up to 257.23kWh of energy per battery cluster, fast switching, and intelligent energy control, the system provides a flexible platform for commercial and industrial energy storage projects.

Applications

Commercial & Industrial Energy Storage

Scalable energy storage for factories, commercial facilities, warehouses, and industrial operations.

Peak Shaving & Energy Management

Intelligent charging and discharging helps optimize energy consumption and reduce peak electricity demand.

Backup & Off-Grid Power

Reliable stored energy for critical loads during grid interruptions and off-grid operation.

PV + Grid + Generator Hybrid Systems

Integrates solar PV, battery storage, utility grid, loads, and generator power into one flexible energy system.

Additional information

Battery Type	LiFePO4 (LFP)
Nominal Voltage	51.2V (Per Module)
Energy Range	Up to 257.23 kWh
Life Cycle	≥6,000 Cycles
Max Charging Current	180A
Max Discharging Current	180A
Operation Temp.	Charge: 0–55°C / Discharge: -20–55°C
Approx. Weight	126 kg (Per Module)
Communication	CAN / RS485
Parallel Connection	Up to 16 Battery Racks per PCS
Battery Capacity	314 Ah
Operating Voltage	200–1000 Vdc
Recommended DoD	90%
Ingress Protection	IP20
Installation	Rack-Mounted
Warranty	10 Years
Module Energy	16.08 kWh
Module Nominal Voltage	51.2V
Battery Modules in Series	5–16 Modules
System Usable Energy	Up to 231.51 kWh
Recommended Current	Not separately specified
Peak Discharge Current	Not separately specified
Storage Temperature	0–35°C
Humidity	5–85% RH
Altitude	≤3000 m
Certification	CE / IEC62619 / IEC62040 / UN38.3

FAQ

What payment methods do you accept?
We accept various payment methods, including credit/debit cards, PayPal, and bank transfers for your convenience.
Do you offer international shipping?
Yes, we offer international shipping to many countries. Please check our shipping information page for details on available destinations and shipping rates.
How can I track my order?
Once your order is shipped, you will receive a tracking number via email. You can use this number to track your package's delivery status on our website or through the courier's tracking portal.
What is your return policy?
We offer a hassle-free return policy. If you're not satisfied with your purchase for any reason, you can return it within 30 days for a full refund or exchange. Please refer to our returns page for detailed instructions.
Are your products covered by a warranty?
Yes, most of our products come with a manufacturer's warranty against defects in materials and workmanship. The duration and terms of the warranty vary by product, so please check the product description or contact our customer support team for specific details.

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Features & Benefits