DEYE BOS-G 40.96kWh High-Voltage Lithium Battery Cluster

The DEYE BOS-G 40.96kWh Battery Cluster is a high-voltage lithium iron phosphate (LiFePO₄) energy storage solution designed for commercial, industrial, and large residential solar systems. Comprising 8 × 5.12kWh battery modules connected in series, it delivers a total capacity of 40.96kWh (nominally marketed as 40kWh). With over 6,000 charge cycles, 10-year warranty, and scalability up to 16 battery racks, it is an ideal solution for reliable, long-term energy storage.

Product Description

The DEYE BOS-G High-Voltage Battery Cluster is engineered to meet the demanding energy storage requirements of modern solar power systems. Built with premium LiFePO₄ (Lithium Iron Phosphate) cell technology, the BOS-G battery delivers superior safety, long service life, high efficiency, and exceptional performance.

Each battery cluster consists of 8 individual 5.12kWh battery modules connected in series, producing a 409.6V high-voltage battery bank with a total usable energy storage capacity of approximately 40.96kWh.

The modular architecture allows users to expand the system by connecting up to 16 battery racks, making it suitable for applications ranging from commercial buildings and factories to hospitals, hotels, schools, farms, telecom sites, and large residential properties.

The intelligent Battery Management System (BMS) continuously monitors voltage, current, temperature, and cell balancing to maximize safety, performance, and battery lifespan.

Key Features

✅ 40.96kWh (40kWh Class) Energy Storage

✅ High-Voltage 409.6V Battery System

✅ Premium LiFePO₄ Battery Technology

✅ 8 × 5.12kWh Battery Modules

✅ Intelligent Battery Management System (BMS)

✅ Expandable Up to 16 Battery Racks

✅ More than 6,000 Charge Cycles @ 90% DoD

✅ High Round-Trip Efficiency

✅ Long Service Life

✅ Compact Rack-Mount Design

✅ Low Maintenance

✅ High Safety Standards

✅ Fast Installation

✅ Compatible with DEYE High-Voltage Hybrid Inverters

Technical Specifications

Specification Details

Brand DEYE

Model BOS-G

Battery Chemistry Lithium Iron Phosphate (LiFePO₄)

Module Capacity 5.12kWh

Number of Modules 8

Total Energy Capacity 40.96kWh

Nominal Voltage 409.6V DC

Battery Configuration 8 Modules Connected in Series

Cycle Life ≥6,000 Cycles @ 90% DoD

Scalability Up to 16 Battery Racks

Installation Rack Mounted

Battery Management Intelligent Integrated BMS

Warranty 10 Years

Applications

Commercial Solar Energy Storage

Industrial Power Backup

Large Residential Solar Systems

Hospitals & Healthcare Facilities

Hotels & Hospitality

Schools & Universities

Office Buildings

Manufacturing Plants

Data Centres

Telecom Sites

Agricultural Farms

Mini-Grids & Microgrids

Benefits

Large Energy Storage Capacity

Each cluster stores approximately 40.96kWh of energy for extended backup power.

Exceptional Battery Life

Designed to deliver over 6,000 cycles at 90% Depth of Discharge (DoD), ensuring long-term performance.

High Scalability

Expand your storage capacity by connecting up to 16 battery racks.

Enhanced Safety

LiFePO₄ chemistry offers excellent thermal stability and safety compared to many other lithium battery types.

Smart Battery Management

The integrated BMS protects against overcharging, over-discharging, overcurrent, overheating, and short circuits while balancing cells for optimal performance.

Reliable Solar Energy Storage

Optimized for use with high-voltage hybrid inverters in demanding residential, commercial, and industrial environments.

Package Contents

8 × DEYE BOS-G 5.12kWh Battery Modules

Rack Cabinet

Battery Management System (BMS)

Interconnection Cables

Mounting Accessories

User Manual

Warranty Documentation

Why Buy from HonjekExpress Marketplace?

Genuine DEYE energy storage systems

Competitive pricing

Nationwide delivery across Nigeria

Professional engineering support

Installation services available

Secure payment options

Manufacturer-backed warranty

Frequently Asked Questions (FAQ)

What is the total capacity of the DEYE BOS-G battery cluster?

The battery cluster provides a total nominal energy capacity of 40.96kWh, commonly referred to as 40kWh.

What battery technology is used?

It uses Lithium Iron Phosphate (LiFePO₄) cells, known for their high safety, long lifespan, and thermal stability.

How many battery modules are included?

Each cluster contains 8 battery modules, each rated at 5.12kWh, connected in series.

What is the nominal battery voltage?

The complete battery cluster operates at a nominal voltage of 409.6V DC.

Can the system be expanded?

Yes. The BOS-G system is expandable and supports up to 16 battery racks, making it suitable for large-scale energy storage applications.

How long does the battery last?

The battery is rated for over 6,000 charge and discharge cycles at 90% Depth of Discharge (DoD), offering many years of dependable service.

Is it compatible with hybrid solar inverters?

Yes. It is specifically designed to work with compatible DEYE high-voltage hybrid inverters and other supported high-voltage energy storage systems.

What warranty is provided?

The DEYE BOS-G battery cluster comes with a 10-year manufacturer's warranty, providing long-term confidence and support.