Deye BOS-A – 99.84 kWh high-voltage battery storage system for commercial and industrial use

The Deye BOS-A System in the 100 kWh configuration is a high-performance, modular high-voltage storage solution that has been specially developed to meet the requirements of commercial enterprises, industrial facilities and large-scale PV projects. Based on the robust BOS-A battery module (7.68 kWh per unit), this system offers a substantial energy reserve for emergency power supply and the optimisation of self-consumption from renewable energy sources.

By using the secure Lithium iron phosphate technology (LiFePO4) and an intelligent, cloud-based management system, the storage system guarantees maximum reliability and efficiency. The system is optimised for installation in rack environments and allows for quick assembly and straightforward maintenance in a professional setting.

Highlights at a glance

• Massive capacity: With a capacity of around 100 kWh (achieved by 13 modules connected in series), the system offers enormous reserves for industrial applications and peak shaving.
• Safe LiFePO4 chemistry: The cobalt-free cell chemistry ensures maximum thermal stability and an extremely long service life of over 6,000 cycles.
• Intelligent cloud management: Real-time monitoring of energy consumption and battery status via the Deye cloud platform to optimise operating costs.
• High-voltage efficiency: The modules’ series connection ensures a high system voltage, which minimises conversion losses and increases efficiency to over 90%.
• Effortless installation: The embedded design and a module weight of approx. 70 kg allow for a structured installation in standard rack systems.
• Robust industrial design: High IP rating and resistance to a variety of environmental conditions for long-term use in technical rooms.
• Comprehensive warranty: A 10-year manufacturer’s warranty and a full replacement guarantee for up to 6,000 charge cycles offer long-term investment security.

Areas of application

The 100 kWh version of the BOS-A is the ideal solution for demanding large-scale projects:

• Industrial & commercial enterprises
  • Ensuring an uninterruptible power supply (UPS) for critical machinery and reducing costly peak loads.
• Large-scale photovoltaic systems
  • Efficient temporary storage of solar power to maximise the self-sufficiency rate in office buildings or agricultural businesses.
• Neighbourhood energy storage
  • A centralised storage solution for housing estates or local authority energy projects for the shared use of solar power.

Installation & Safety Instructions

• Rack configuration
  • The system achieves its capacity by connecting up to 13 battery modules in series per rack. Ensure that they are securely fastened in the control cabinet.
• Safety management
  • The integrated Smart-BMS protects each module individually against overcharging, deep discharge and short circuits. Communication takes place seamlessly via CAN 2.0.
• Structural analysis & weight
  • A fully equipped 100 kWh rack weighs approx. 900–1000 kg. Ensure that the foundation at the installation site is designed to support these loads.

FAQs on the Deye BOS-A 100 kWh storage system

Can the 100 kWh system be scaled up even further?

Yes. Several racks can be connected in parallel to achieve total capacities in the megawatt range. The modular design allows the system to be tailored precisely to your company’s growing energy requirements.

How does the emergency power supply work with a system of this size?

Automatic and powerful. When combined with a suitable Deye high-voltage inverter, the system can switch to battery power within milliseconds in the event of a power cut, thereby continuing to supply even heavy industrial loads without interruption.

Why is the BMS so important in this system?

For balance and safety. When 13 modules are connected in series, the BMS ensures that all cells are charged and discharged evenly. This prevents individual modules from ageing prematurely and maximises the usable energy of the entire 100 kWh block.

Does the system require a lot of maintenance?

No. Thanks to the fanless design of the battery modules and the robust LiFePO4 technology, the system is virtually maintenance-free. Remote monitoring via the cloud also makes it possible to detect anomalies before they become a problem.