Deye BOS-G 75 PRO high-voltage storage set 76.8 kWh

Product information

The Deye BOS-G 75 PRO high-voltage storage set is a reliable and high-performance storage solution for commercial applications and demanding domestic households. With a total capacity of 76.80 kWh, modular expandability and intelligent battery management, it meets high standards of safety, efficiency and flexibility.

Highlights at a glance

High capacity: 76.80 kWh gross storage capacity for large energy systems
Usable energy: 69.12 kWh at 90 % depth of discharge
Flexible scalability: Up to 16 battery racks can be operated in parallel
Intelligent control: Integrated BMS protects against overcharging, deep discharge, overcurrent and overheating
Easy integration: Quick installation in a 19-inch rack

Efficient energy storage for modern projects

With its high voltage of 768.0 V and a wide operating voltage range of 660 to 876.0 V, the BOS-G 75 PRO provides an excellent basis for integration into existing energy systems. The lithium iron phosphate technology used ensures a high level of safety, low self-discharge and a long service life.

Modular and customisable

The system architecture allows for flexible expansion to up to 16 parallel battery racks and the parallel AC operation of up to 10 Deye inverters. This enables the system to be precisely adapted to increasing requirements and ensures it remains scalable in the long term.

Safe power management

The integrated BMS continuously monitors cell voltages, temperatures and state of charge. It actively protects against critical operating conditions and optimises the service life of the battery units through automatic cell balancing.

Who is the Deye BOS-G 75 PRO suitable for?

The high-voltage storage set is ideal for:

Commercial premises with high energy consumption or emergency power requirements
Large-scale photovoltaic systems with a focus on optimising self-consumption
Private households with above-average energy consumption
Project developers who require a modular, certified high-voltage system

FAQs on the Deye BOS-G 75 PRO high-voltage storage set

What is the storage capacity of the BOS-G 75 PRO and how much of it is usable?

The set consists of 15 LiFePO4 modules, each with a gross capacity of 5.12 kWh. This results in a total storage capacity of 76.80 kWh. At 90 % depth of discharge, approximately 69.12 kWh of usable energy is available.

What protection and management functions does the BMS perform?

The integrated battery management system continuously monitors and protects against overvoltage, undervoltage, overcurrent, short circuits and temperature fluctuations. It also ensures cell balancing and stable charging and discharging conditions.

Which electrical parameters are relevant?

Operating voltage: 660 to 876.0 V
Rated voltage: 768.0 V DC
Continuous current: 100 A, peak discharge: 125 A

Is the system modularly expandable?

Yes, the modular design allows up to 16 battery racks to be operated in parallel and up to 10 inverters to be integrated into the AC network.

Within what temperature range can the storage unit be operated?

Discharge: from -20 °C to +55 °C
Charging: from 0 °C to +55 °C

Contents of delivery Deye BOS-G75 PRO high-voltage storage set (76.80 kWh) with rack system

System configuration

This product is a set comprising a rack system, a Deye BOS-G-PDU-2 high-voltage control box and 15 individual BOS-G-Pack5.1 battery modules.

Component 1: Deye Rack system / Battery cabinet

A rack to house the control box and the battery modules.

Component 2: Deye BOS-G-PDU-2 high-voltage control box

The central control unit for communication, protection and system management.

Components 3 to 17: Fifteen Deye BOS-G-Pack5.1 high-voltage battery modules

Fifteen high-voltage battery modules, each with a capacity of 5.12 kWh.

Accessories and cabling

Battery connection cables (positive & negative)
Communication cables (CAN/RS485)
Connection bridges / Series connection cables
Earthing cable
Fitting accessories and installation instructions

Battery technology:	LiFePO4
Certifications:	UN38.3 / CE / CE-EMC / IEC62040 / CEC / VDE
Charge/discharge current (rated value):	100 A / 100 A
Communication:	CAN2.0 / RS485
Cycle life:	≥ 6,000 cycles (at 25 ± 2 °C, 70% EOL)
Dimensions (W x D x H):	1060 x 602 x 1629 mm
Maximum discharge current:	125 A (peak for 2 minutes at 25 °C)
Operating temperature (charging):	0 °C to +55 °C
Operating temperature (discharge):	-20 °C to +55 °C
Operating voltage range :	660 ~ 876 V
Permissible humidity:	5% – 85% RH
Protection class:	IP20
System capacity (rated value):	76.8 kWh
System nominal voltage :	768 V
Usable capacity:	76.8 kWh
Warranty:	10 years
Weight:	approx. 791 kg