System Overview

Modular LiFePO4 Battery Energy Storage System (BESS)

Factory Direct | ISO 9001 Certified | OEM & ODM Available

This modular Battery Energy Storage System (BESS) is engineered for residential, commercial, and industrial applications requiring scalable capacity. Unlike fixed-capacity cabinets, the modular architecture allows multiple battery units to connect in parallel, scaling from a single 5 kWh module up to 500+ kWh systems.

Built with Lithium Iron Phosphate (LiFePO4) cells, the system features a built-in intelligent Battery Management System (BMS) and delivers a round-trip efficiency of >= 95%. Standardized dimensions and plug-and-play communication protocols reduce warehouse SKU complexity for distributors and minimize installation labor for EPC contractors.

Core Technical Advantages

Scalable Architecture: Expand capacity from a single module (5-15 kWh) up to 16 modules in parallel (model dependent) without replacing existing hardware, lowering long-term capital expenditure during phased project growth.

Cell Chemistry & Safety: Utilizes prismatic LiFePO4 cells that maintain thermal stability up to 130°C, significantly reducing thermal runaway risks compared to standard NMC (Nickel Manganese Cobalt) chemistries.

Service Life: Achieves >= 6000 cycles at 80% Depth of Discharge (DoD) with >= 80% retained capacity, translating to roughly 15 years of daily cycling operation.

Intelligent Module-Level BMS: Each independent BMS monitors cell voltages, internal temperature, pack current, and calculates real-time State of Charge (SOC) and State of Health (SOH) with active cell balancing.

High Efficiency: Internal busbars and low-resistance circuit design yield a round-trip energy efficiency of >= 95%, minimizing conversion losses.

Mechanical Compatibility: Standardized rack-mountable, stackable, and wall-mountable modules reduce required lifting equipment during installation. Supports CAN Bus and RS485 communication protocols for integration with mainstream hybrid and off-grid inverters.

Technical Specifications

Parameter	Specification
Battery Chemistry	Lithium Iron Phosphate (LiFePO4)
Nominal System Voltage	48V / 51.2V (Customizable)
Single Module Energy	2.56 kWh – 15 kWh
Expandable Capacity	Up to 500+ kWh
Cycle Life	>= 6000 cycles @ 80% DoD, 25°C
Round-Trip Efficiency	>= 95%
Communication Protocols	CAN, RS485 (RS232 Optional)
Enclosure Protection	IP20 / IP54 / IP65 (Model Dependent)
Operating Temperature	Charge: 0°C to 55°C Discharge: -20°C to 55°C
Installation Methods	Rack-mounted, Stackable, Wall-mounted
Certifications	CE, IEC 62619, UN38.3, RoHS
Design Warranty	10 Years

Value for Wholesale & EPC Partners

Optimized Inventory: Standardizing on modular building blocks allows distributors to fulfill residential and small commercial orders using fewer total SKUs.

Targeted Maintenance: Individual failed or degraded modules can be isolated and replaced independently, avoiding total system shutdowns.

Logistics Efficiency: Smaller modular form factors fit standard shipping pallets more efficiently than monolithic battery cabinets, reducing freight costs for international bulk orders.

OEM/ODM Services: Customization options include private label branding, custom enclosure color matching, firmware communication protocol adjustments, and localized user documentation.

Typical Applications

Residential solar self-consumption and backup power

Commercial peak shaving and load shifting

Industrial microgrids and off-grid hybrid power stations

Telecommunications base station backup power

FAQ

Q: What battery chemistry do you use?

A: We use Lithium Iron Phosphate (LiFePO4) cells, chosen for their excellent thermal stability, long cycle life, and enhanced operational safety compared with many other lithium-ion chemistries.

Q: Can the battery capacity be expanded later?

A: Yes. The modular design allows additional battery modules to be added as energy demand increases, subject to the maximum configuration supported by the specific model.

Q: What is the expected service life?

A: The system typically delivers 6,000 or more charge-discharge cycles at 80% Depth of Discharge (DoD). Under normal daily cycling, this can translate to approximately 15 years or more of operation.

Q: Which inverter brands are compatible?

A: Our systems support standard communication protocols such as CAN and RS485, making them compatible with many mainstream inverter brands. Compatibility can be verified for your target inverter model before shipment.

Q: What certifications are available?

A: Depending on the model and destination market, products can be supplied with certifications such as CE, IEC 62619, UN38.3, MSDS, and RoHS. Additional compliance support may be available upon request.

Q: Is OEM or private labeling available?

A: Yes. We offer OEM and ODM services, including custom logos, housing colors, packaging, documentation, communication settings, and software customization.

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