Deye

Deye BOS-A

A high-voltage rack battery built from 7.68 kWh LiFePO4 modules, seven to twenty-one in series, delivering 53.76 to 161.28 kWh per rack for commercial systems.

Models Covered: DEYE-BOS-A

Manufacturer: Ningbo Deye Inverter Technology Co., Ltd

Application: Keep a workshop, farm or small commercial site running on stored solar with a rack that grows one drawer at a time. The Deye BOS-A is assembled from 7.68 kWh, 38.4 V modules (BOS-A-Pack7.68, 200 Ah each) slotted seven to twenty-one high, giving a single rack 53.76 to 161.28 kWh, of which 48.38 to 145.15 kWh is usable at the recommended 90% depth of discharge. Its high-voltage bus spans 268.8 to 806.4 V nominal, and the PDU carries two DC interfaces sized for 50-100 kW hybrid inverters, with up to 10 inverters allowed in AC parallel and up to 16 racks side by side. LiFePO4 cells rated past 6,000 cycles retain 70% of capacity at end of life, while the BMS guards against over-charge, over-discharge, over-current and temperature faults with active cell balancing. Certification covers CE, IEC62619, IEC62040, UN38.3 and VDE-2510, and the warranty spans 10 years.

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Technical Specifications

Parameter DEYE-BOS-A
Battery Data
Energy 7.68 kWh
Usable Energy 48.38-145.15 kWh
Module Energy 7.68 kWh
System Energy 53.76-161.28 kWh
Nominal Voltage 38.4 V
Module Nominal Voltage 38.4 V
System Nominal Voltage 268.8-806.4 V
Operating Voltage 235.2-919.8 V
Rated Capacity 200 Ah
Module Capacity 200 Ah
Cell Chemistry LiFePO4
Cycle Life >6000
End-of-Life Capacity 70%
Recommended Depth of Discharge 90%
Max. Charge Current 160 A
Max. Discharge Current 160 A
Max. Charge/Discharge Current 160 A
Nominal Charge/Discharge Current 160 A
Recommended Charge/Discharge Current 100 A
Modules in Series 7-21
Min. Battery Module Quantity 7
Battery Module Models BOS-A100, BOS-A160
Parallel Units 16
Protection Features Over-Discharge, Over-Charge, Over-Current, Temperature Protection, Cell Balancing
Warranty (Years) 10
Mechanical & Interface
Communication Ports CAN2.0
Dimensions 610 x 1900 x 610 mm
Additional Notes Two inverter DC interfaces; 50-100kW hybrid inverters; up to 10 inverters AC parallel; PDU BOS-A-PDU-2, module BOS-A-Pack7.68
Module Dimensions 601.5 x 135 x 520 mm
Module Weight 70 kg
Status Indicator Yellow: Battery High Voltage Power On; Red: Battery System Alarm
Weight 525-1501 kg
Environment & Protection
Altitude <3000 m
Charge Temperature 0-55 °C
Discharge Temperature -20 to 55 °C
Operating Humidity 5-85%
Installation Location Rack-Mounted (3U)
Enclosure IP Rating IP20
Storage Temperature 0-35 °C
Working Temperature Charge: 0-55 / Discharge: -20 to 55 °C

Figures are measured at the test conditions the manufacturer’s datasheet states. A dash means the manufacturer publishes no figure for that model.

Availability & grid compliance in Yemen

Market Yemen
Grid authority / regulator Public Electricity Corporation (PEC), Ministry of Electricity and Energy
Quotation currency YER
Support hours timezone Asia/Aden
Delivery & installation coverage Sana'a, Aden, Taiz, Al Hudaydah, Mukalla

Figures on this page are the manufacturer's own, measured at the test conditions the datasheet states — they do not change by country. What changes is the approval that has to be met before the unit is energised: in Yemen that is Public Electricity Corporation (PEC), Ministry of Electricity and Energy. Confirm the grid code, import requirements and any local certification with them, or with us, before you order.

Key Features & Technical Highlights

  • 7.68 kWh building blocks: Each BOS-A-Pack7.68 module holds 7.68 kWh at 38.4 V with a 200 Ah rating.
  • Up to 161.28 kWh per rack: Seven to twenty-one modules in series span 53.76 to 161.28 kWh, of which 48.38 to 145.15 kWh is usable at 90% depth of discharge.
  • Made for 50-100 kW hybrids: The BOS-A-PDU-2 exposes two DC interfaces sized for 50-100 kW hybrid inverters, with up to 10 inverters in AC parallel.
  • Five-way BMS protection: Guards against over-charge, over-discharge, over-current and temperature faults, with active cell balancing.
  • Parallelism at fleet scale: Up to 16 racks coordinate over CAN2.0 as one storage plant.
  • Endurance past 6,000 cycles: LiFePO4 cells rated beyond 6,000 cycles to 70% end-of-life, under a 10-year warranty.

Frequently Asked Questions

What voltage class is the BOS-A?

It is a high-voltage system: 268.8 to 806.4 V nominal depending on module count, with an operating window of 235.2 to 919.8 V, so it belongs with high-voltage battery inverters.

Which inverter sizes suit the BOS-A?

The PDU (BOS-A-PDU-2) provides two DC interfaces intended for 50-100 kW hybrid inverters, and up to 10 inverters can run in AC parallel on larger sites.

How much energy can one BOS-A rack hold?

Between 53.76 and 161.28 kWh depending on whether 7 or 21 modules are fitted, with 48.38 to 145.15 kWh usable at 90% depth of discharge; 16 racks can be paralleled beyond that.

Where should a BOS-A be installed?

Indoors: the enclosure is rated IP20 and rack-mounted in 3U module format, measuring 610 x 1900 x 610 mm and weighing 525 to 1,501 kg depending on configuration.

What lifetime and warranty does the BOS-A carry?

Cycle life exceeds 6,000 cycles to 70% end-of-life capacity, and the stated warranty term is 10 years.