Deye MJS Solutions

Deye BOS-B

14.3 kWh commercial battery module with 215 kWh per cluster and 98.5% PCS efficiency.

Models Covered: DEYE-BOS-B

Manufacturer: Ningbo Deye Technology Co., Ltd.

Application: The Deye BOS-B Battery System is a high-performance, scalable energy storage solution designed for Commercial and Industrial (C&I) applications. With advanced lithium-ion technology, it supports systems from 100kW to 2.5MW. Each cluster provides 215kWh of storage with up to 16 racks per PCS, achieving total storage of 3.44MWh per system.

Technical Specifications

Technical Specifications
Parameter DEYE-BOS-B
Battery Data
Module Capacity 280 Ah
Module Energy 14.3 kWh
Battery Type / Chemistry BOS-B215
Recommended DoD 90%
System Energy 214.5 kWh
Usable Energy 193.05 kWh
Cluster Capacity 215 kWh
Max System Capacity 3.44 MWh
Max Continuous Charge/Discharge Current 168 A
Cycle / System Efficiency 98.5%
Additional Specifications
Battery Module Nominal Voltage 51.2 V
Battery Module Qty In Series ( Optional ) 15
Lightning protection /
Communication Port TCP / RS485 / CAN
Energy Per Module 14.3 kWh
Max Count per PCS 16 packs
IP Rating of Enclosure IP20
Backup Time (16 racks) Up to 32 hours
Protection Features
Certification / Compliance Safety CE / IEC62619 / IEC62040 / UN38.3
IP Rating IP20
Communication
BMS Communication CAN
Display SOC / Fault Code; Yellow : Battery High Voltage Power On
Communication Interface Touchscreen, Bluetooth, USB
Electrical / AC Output Data
System Nominal Voltage 768 V
Nominal Voltage 51.2 Vdc
Status Indicator Red : Battery System Alarm
Electrical Data
PCS Efficiency 98.5%
Mechanical Data
Design / Form Factor Rack Mounted
Operating Conditions
Operating Temperature charge :0 ~ 55 ℃
Storage Temperature Range 0 ~ 35 ℃
Max Altitude ≤3000m
Relative Humidity 5% ~ 85%
Charging Temperature Range 0 to 55 °C
Discharging Temperature Range -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.

Configurations & shipping weights

ConfigurationWeightDimensions (W × D × H)
BOS-B — 71.5 kWh (5 × 14.3 kWh modules) 630 kg 2150 × 800 × 1136 mm
BOS-B — 85.8 kWh (6 × 14.3 kWh modules) 752 kg 2150 × 800 × 1136 mm
BOS-B — 100.1 kWh (7 × 14.3 kWh modules) 874 kg 2150 × 800 × 1136 mm
BOS-B — 114.4 kWh (8 × 14.3 kWh modules) 996 kg 2150 × 800 × 1136 mm
BOS-B — 128.7 kWh (9 × 14.3 kWh modules) 1118 kg 2150 × 800 × 1136 mm
BOS-B — 143 kWh (10 × 14.3 kWh modules) 1240 kg 2150 × 800 × 1136 mm
BOS-B — 157.3 kWh (11 × 14.3 kWh modules) 1362 kg 2150 × 800 × 1136 mm
BOS-B — 171.6 kWh (12 × 14.3 kWh modules) 1484 kg 2150 × 800 × 1136 mm
BOS-B — 185.9 kWh (13 × 14.3 kWh modules) 1606 kg 2150 × 800 × 1136 mm
BOS-B — 200.2 kWh (14 × 14.3 kWh modules) 1728 kg 2150 × 800 × 1136 mm
BOS-B — 214.5 kWh (15 × 14.3 kWh modules) 1850 kg 2150 × 800 × 1136 mm

This listing covers several shippable configurations. Each row is the manufacturer’s stated figure for that build; the page weight above is the smallest one, which is what a single unit ships at.

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

  • Up to 3.44 MWh: Massive capacity for large C&I installations
  • 98.5% Efficiency: Industry-leading PCS efficiency
  • 32 Hours Backup: Extended backup with 16 racks per PCS
  • Deye Cloud Platform: Real-time monitoring and smart scheduling
  • 6000 Cycle Life: Long lifespan at 90% depth of discharge
  • 10-Year Warranty: Comprehensive long-term coverage

Frequently Asked Questions

What applications is the BOS-B designed for?

The BOS-B is designed for commercial and industrial facilities including peak shaving, load shifting, grid stabilization, critical infrastructure backup, and renewable energy integration with PV or hybrid systems.

How much backup power can the BOS-B provide?

With 16 racks per PCS configuration, the BOS-B can provide up to 32 hours of backup power, making it ideal for critical infrastructure that requires extended uninterrupted power supply.

What monitoring features are available?

The BOS-B integrates with the Deye Cloud Platform for real-time monitoring, smart energy scheduling, and dynamic charging/discharging strategies. It also supports zero-export and time-of-use features for maximum cost savings.

What safety features does the BOS-B have?

The BOS-B includes high-voltage hazard indication, fault alarms, system diagnostics via integrated LCD, and comprehensive protection through the intelligent BMS. The IP20-rated enclosure ensures safe indoor installation.