Deye BOS-G 65 PRO high-voltage storage set 66.56 kWh

The Deye BOS-G 65 PRO high-voltage storage set is a reliable and high-performance storage solution for commercial applications and demanding private households. With a total capacity of 66.56 kWh, modular expandability and intelligent battery management, it meets high standards of safety, efficiency and flexibility.

Key features at a glance

• High capacity: 66.56 kWh gross storage performance for large energy systems
• Usable energy: 59.90 kWh at 90 percent 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: Fast installation in 19-inch rack format

Efficient energy storage for modern projects

With its high voltage of 665.6 volts and a wide operating voltage range of 572 to 759.2 volts, the BOS-G 65 PRO provides an excellent basis for integration into existing energy systems. The lithium iron phosphate technology used ensures high 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 AC parallel operation of up to 10 Deye inverters. This enables the system to be precisely adapted to increasing requirements and remains expandable in the long term.

Safe energy management

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

Who is the Deye BOS-G 65 PRO suitable for?

The high-voltage storage set is ideal for:

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

FAQs about the Deye BOS-G 65 PRO high-voltage storage set

What storage capacity does the BOS-G 65 PRO provide and how much of it is usable?

The set consists of 13 LiFePO₄ modules, each with 5.12 kWh gross capacity. This results in a total storage capacity of 66.56 kWh. At 90% depth of discharge, around 59.90 kWh usable energy is available.

What protection and management functions does the BMS cover?

The integrated battery management system continuously monitors and protects against over- and under-voltage, overcurrent, short circuit and temperature deviations. It also provides cell balancing and stable charging and discharging conditions.

Which electrical parameters are relevant?

• Operating voltage: 572 to 759.2 V
• Nominal voltage: 665.6 V DC
• Continuous current: 100 A, peak discharge: 125 A

Is the system modularly expandable?

Yes, the modular concept permits parallel operation of up to 16 battery racks and integration of up to 10 inverters in the AC network.

Within which temperature range can the storage unit be operated?

• Discharging: from -20 °C to +55 °C
• Charging: from 0 °C to +55 °C

Scope of delivery Deye BOS-G65 PRO high-voltage storage set (66.56 kWh) with rack system

System composition

• This product is a set and consists of a rack system, a Deye BOS-G-PDU-2 high-voltage control box and 13 individual BOS-G-Pack5.1 battery modules.

Component 1: Deye rack system / battery cabinet

• A rack to accommodate the control box and battery modules.

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

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

Component 3 to 15: Thirteen Deye BOS-G-Pack5.1 high-voltage battery modules

• Thirteen high-voltage battery modules each with 5.12 kWh.

Accessories and wiring

• Battery connection cables (plus & minus)
• Communication cables (CAN/RS485)
• Connecting bridges / Series connection cables
• Earthing cable
• Mounting accessories and installation manual