DEYE Battery Set BOS-G40 Pro 40.96kWh (high voltage)

DEYE BOS-G40 Pro is a high voltage battery set with a nominal system capacity of 40.96 kWh (energy of the modules), designed for installation in 19" rack cabinets. The system offers usable DC energy of 36.86 kWh (test conditions: 90% DOD) and provides flexible scalability thanks to its modular design consisting of 8 BOS-G-Pack5.1 battery modules.

The manufacturer is Deye (Deye New Energy), specializing in energy storage solutions and inverters. The technical data sheet indicates standards and certifications compliant with international norms (including UN38.3, CE, CE-EMC, IEC62040, CEC, VDE). Deye provides complete system solutions, including battery modules, high voltage cluster controller (BOS-G-PDU-2), and dedicated rack mounts.

Electrical and Usable Parameters

• Cell chemistry: LiFePO4 (LFP)
• System energy (System Energy): 40.96 kWh
• Usable DC energy (System Usable Energy): 36.86 kWh (test: 90% DOD, 0.3C, 25°C)
• Nominal system voltage: 409.6 V
• Operating voltage range: 352 ~ 467.2 V
• Nominal DC power (Rated DC Power): 40.96 kW
• Nominal charging/discharging current: 100 A
• Peak discharging current (2 minutes, 25°C): 125 A
• Cycle life: EOL 70% ≥ 6000 cycles
• Recommended depth of discharge (DoD): 90%
• Communication interfaces: CAN2.0 / RS485
• Status indicators: Yellow: high voltage / power; Red: battery system alarm
• Certifications: UN38.3, CE, CE-EMC, IEC62040, CEC, VDE

Mechanical and Environmental Parameters

• Number of battery modules in the system: 8 pcs. (BOS-G-Pack5.1, 5.12 kWh each)
• Dimensions (W × D × H): 1060 × 602 × 1629 mm
• Approximate weight: 428 kg
• Protection degree: IP20
• Operating temperature range: charging 0 ~ 55°C; discharging -20 ~ 55°C
• Storage temperature: 0 ~ 35°C
• Operating humidity: 5% ~ 85% RH
• Maximum height above sea level: ≤ 3000 m
• Installation location: rack mounting (Rack Mounting)