Deye BOS-B112.5 kWh PRO-A3 battery storage system for industry and commerce
Product information
The Deye BOS-B112.5 kWh PRO-A3 is a highly efficient, three-phase high-voltage battery storage system developed specifically for the demanding requirements of the commercial and industrial (C&I) sectors. It replaces rigid and difficult-to-scale storage systems with a modular, turnkey cabinet solution, whilst offering intelligent functions to optimise commercial energy flow.
With its sophisticated design, the BOS-B system is not just a passive energy storage solution, but serves as a future-proof foundation for your company’s energy management (Industrial Storage Hub). It supports seamless integration with high-performance Deye hybrid inverters (such as the SUN-125K series) and ensures that your business retains maximum control over its energy costs at all times.
Highlights at a glance
- Large-scale industrial capacity: Offers a full 112.5 kWh of usable energy in a single, compact cabinet system, based on long-lasting lithium iron phosphate (LiFePO4) technology.
- High-voltage efficiency: Connecting the modules in series ensures a high system voltage, which minimises conversion losses and enables extremely rapid energy delivery.
- Excellent cycle stability: With over 6,000 charge cycles, the system guarantees an extremely long service life and maximum investment security, even with daily, intensive use.
- Intelligent Master BMS: The integrated control system in the cabinet continuously monitors cell voltages, temperatures and currents, and ensures fully automatic cell balancing.
- Safety functions: Multi-stage protection mechanisms, including automatic shutdown in the event of overcurrent, overvoltage or thermal irregularities, guarantee worry-free operation around the clock.
- Flexible scalability: Multiple cabinet units can be easily connected in parallel to flexibly scale the total capacity alongside your business growth.
Areas of application
The Deye BOS-B112.5 kWh PRO-A3 is the perfect complement to commercial PV systems and industrial infrastructure:
- Peak shaving: Reduction in grid usage charges through the targeted absorption of expensive electricity peaks in the industrial production process.
- Optimisation of self-consumption: Efficient temporary storage of solar power from large industrial rooftops that is unused during the day, to provide self-sufficient power for operations in the evening and at night.
- Emergency power & backup systems: Reliable protection of critical loads (such as IT infrastructure, cooling systems or sensitive production lines) in the event of power failures.
Installation & safety instructions
- Inverter compatibility: The system is designed as a high-voltage storage solution and must be operated with compatible Deye three-phase high-voltage hybrid inverters.
- Installation & environment: Due to the high weight of the system, the cabinet solution should be installed on a load-bearing, level surface and in a well-ventilated, temperature-controlled indoor environment.
- Installation by qualified personnel: Due to work in the high-voltage direct current (DC) range and the industrial power classes, installation, cabling and commissioning must only be carried out by certified qualified electricians
Features
| Model | BOS-B112 Pro-A3 |
| Battery type | LiFePO4 |
| Module energy (kWh) | 16,08 |
| Module nominal voltage (V) | 51,2 |
| Module capacity (Ah) | 314 |
| Number of battery modules in series | 7 |
| System nominal voltage (V) | 358,4 |
| System operating voltage (V) | 291,2~408,8 |
| System capacity (kWh) | 112,5 |
| Usable system capacity (kWh) | 101,25 |
| Max. DC power (kW) | 64,512 |
| Max. charge/discharge current (A) | 180 |
| Operating temperature (°C) | Charging: 0 ~ 55 / Discharging: -20 ~ 55 |
| Thermal management | Smart fan cooling |
| Communication | TCP / RS485 / CAN |
| Protection class | IP20 |
| Dimensions (W × H × D, mm) | 1067 × 1305 × 800 |
| Approx. system weight (kg) | 1010 |
| Installation type | Rack Mounted |
| Recommended depth of discharge | 90% |
| Cycle life | EOL70% ≥ 6000 |
| Warranty | 10 years |
| Certifications | CE / IEC62619 / IEC62040 / UN38.3 |
FAQs on the Deye BOS-B112.5 kWh PRO-A3
Can the 112.5 kWh capacity be expanded at a later date?
- Yes. The system has a modular design. To increase the total capacity, several of these cabinet units can be connected in parallel, enabling storage capacities in the megawatt range to be achieved.
Is the master control unit (BMS) already integrated into the cabinet?
- Yes. The system is supplied as a turnkey cabinet solution, in which both the individual battery modules and the central cluster control unit (high-voltage BMS) are integrated into the rack, ready for operation.
What advantages does LiFePO4 technology offer in industrial applications?
- Maximum safety and durability. Unlike conventional lithium-ion batteries, lithium iron phosphate cells are extremely thermally stable, non-flammable and offer a significantly higher number of charge cycles, even under heavy use.
Does the system support control via an external energy management system (EMS)?
- Yes. Via the integrated communication interfaces, the storage system can be seamlessly connected to higher-level commercial energy management systems (EMS) to implement complex charging and discharging strategies.
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