Deye BESS BOS-B is a comprehensive, high-tech solution designed to ensure energy independence for commercial and industrial facilities. Tailored for enterprises with power consumption ranging from 100 kW to 2.5 MW, this system guarantees the uninterrupted operation of critical equipment, optimizes electricity costs, and maximizes the efficiency of solar energy generation.
The core of the system is a powerful 100 kW hybrid inverter (PCS) operating in a unified ecosystem with a high-voltage battery bank boasting a total nominal capacity of 241.2 kWh (usable capacity — 217 kWh). The battery bank consists of 15 series-connected advanced modules (16.08 kWh each, featuring 314 Ah cells), providing an increased charge/discharge current of up to 180A.
Key Technological Advantages:
Lightning-Fast Switching and Overload Resistance (STS): Thanks to the Static Transfer Switch (STS) module, which manages up to 500 kW of power, the transition between the grid, batteries, and generator is seamless for your equipment — taking less than 10 milliseconds. The inverter is built for heavy industrial conditions: it can withstand a working overload of up to 110% and peak surges of up to 170% in off-grid mode, allowing for the safe startup of powerful motors and heavy machinery.
Solar Energy Maximization (PV and MPPT): A dedicated 100 kW PV module is equipped with 8 independent MPPT trackers. With an operating current of 40A (max up to 60A) and a wide voltage range of 180–850V, the system allows you to connect a solar array with a total peak power of up to 200 kW.
Smart Resource Management (EMS and BMS): The integrated Energy Management System (EMS) with an inverter efficiency of 98.5% unlocks smart savings: set up charging during cheap night tariffs (TOU) and activate the "zero export" mode. The high-voltage Battery Management System (BMS, 200–1000V) ensures battery safety by continuously balancing the cells and protecting them from overheating, overvoltage, or deep discharge.
Limitless Scalability for Large Projects: The architecture of the Deye BESS BOS-B allows the system to grow alongside your business. Up to 5 inverters (100 kW each) can be connected to a single STS module. The STS blocks themselves can be easily connected in parallel, creating an ultra-powerful array of 20 inverters with a total capacity of up to 2.5 MW.
Extended Technical Specifications for Deye BESS BOS-B (100 kW / 241 kWh)
PV Input Parameters (Solar Panels):
Maximum solar array input power: 200 kW
Number of independent MPPT trackers: 8
Maximum input voltage (Voc): 1000 V
MPPT operating voltage range: 180 V – 850 V
Maximum operating current per MPPT: 40 A
Short-circuit current per MPPT: 60 A
AC Characteristics (Grid and Load):
Nominal AC output power: 100 kW
Maximum continuous output power: 110 kW
Peak output power (off-grid mode): 170 kW (briefly for inrush currents)
Grid connection: Three-phase (3L + N + PE)
Nominal AC voltage: 400 V
Nominal frequency: 50 Hz / 60 Hz (auto-sensing)
Total Harmonic Distortion (THDi): <3% (provides a "pure sine wave" for sensitive electronics)
Backup switching time (STS): <10 ms (seamless switching)
Battery Bank (High-Voltage Battery Parameters):
Cell type: LiFePO4 (Lithium Iron Phosphate)
Configuration: 15 series-connected modules
Nominal battery bank voltage: 768 V
Battery operating voltage range: 672 V – 864 V
Maximum charge/discharge current: 180 A
Depth of Discharge (DoD): Up to 90% (recommended limit for maximum lifespan)
Cycle Life: >6000 cycles (at 25°C under standard operating conditions)
Communication, Protection, and Other Parameters:
Cooling: Smart active air cooling
Communication interfaces: RS485, CAN, Ethernet (supports remote monitoring via app and web portal)
Fire safety system: Built-in automatic aerosol fire extinguishing system in battery compartments
Maximum installation altitude: Up to 2000 m above sea level without power derating
Operating noise level: <65 dB
Certifications: CE, IEC62619, VDE (complies with international safety standards)
Detailed Technical Specifications and Dimensions:
Overall System Dimensions (W×H×D): 2150 × 1136 × 800 mm
Total System Weight: ≈ 1950 kg (including 15 newly configured modules)
Hybrid Inverter (PCS): 543 × 310 × 775 mm | Protection Class: IP65
MPPT Module: 543 × 197.8 × 700 mm | Protection Class: IP65
STS Module: 543 × 575 × 866 mm | Protection Class: IP20
Power Distribution Unit (PDU): 795.9 × 526 × 274.2 mm | Weight: ≈ 23 kg
Battery Module (1 module 16.08 kWh): Weight: ≈ 123 kg
Operating Temperature Range: -25°C to +60°C
Official Warranty: 10 years .
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