BOS-B Lithium Ion Solar Battery for C&I Energy Storage

Higher yields / Safe & Reliable / Smart / User-friendly
Deye BOS‑B is a large-scale, modular lithium-ion (LiFePO₄) energy storage system designed for commercial and industrial applications. Each cluster provides 215 kWh of storage capacity, easily scalable through multiple racks and power control systems, making it ideal for high-demand energy management, backup power, and PV integration.
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  • High-capacity, scalable clusters
  • Exceptional efficiency
  • Robust cycle life
  • Fast & seamless transitions
  • Integrated intelligent control
  • Extended backup support
  • Rugged & reliable hardware
  • Certifications & communication interfaces

Technical Data

ModelBOS-B
Main Parameter
Battery Module Energy (kWh)14.3
Battery Module Nominal Voltage (V)51.2
Battery Module Capacity (Ah)280
Module Weight Approximate (kg)122
Battery Module Qty in Series (Optional)15
Scalability5 ~ 15
System Nominal Voltage (V)768
System Energy (kWh)214.5
System Usable Energy (kWh)193.05
Charge/Discharge Current (A)Recommend140
Max168
Other Parameter
Operating Temperature (°C)discharge: -20 ~ 55, charge: 0 ~ 55
Storage Temperature (°C)0 ~ 35
Thermal ManagementSmart fan cooling
LCD DisplaySOC / Fault Code
Status IndicatorYellow: Battery High Voltage Power On
Red: Battery System Alarm
Communication PortTCP / RS485 / CAN
Communication With BMSCAN
Humidity5% ~ 85%
Altitude≤3000m
IP Rating of EnclosureIP20
Noise (dB)TBD
System Dimension (W × H × D, mm)2150 × 1136 × 800
System Weight Approximate (kg)1850
Installation LocationRack Mounted
Recommend Depth of Discharge90%
Cycle Life25±2°C, 0.5C / 0.5C, EOL70% ≥ 6000
Warranty Period5 years
CertificationCE / IEC62619 / IEC62040 / UN38.3
PCS Model SUN-100K-PCSL01HP3
Battery Data
Battery TypeLithium-ion
Battery Voltage Range (V)630-1000
Max. Charging Current (A)175
Max. Discharging Current (A)175
Charging Strategy for Li-ion BatterySelf-adaption to BMS
Number of Battery Input1
AC Input/Output Data
Rated AC Input/Output Active Power (kW)100
Max. AC Input/Output Apparent Power (kVA)110
Rated AC Input/Output Current (A)166.7/159.5
Max. AC Input/Output Current (A)151.6/145
Rated Input/Output Voltage/Range (V)220/380V, 230/400V 0.85Un-1.1Un
Grid Connection Form3L+N+PE
Rated Input/Output Grid Frequency/Range50Hz/45Hz-55Hz 60Hz/55Hz-65Hz
Power Factor Adjustment Range0.8 leading-0.8 lagging
Total Current Harmonic Distortion THDi<3% (of nominal power)
DC Injection Current<0.5% In
Efficiency
Max. Efficiency98.5%
Euro Efficiency98.0%
MPPT Efficiency>99%
MPPT Module: SUN-MPPT-L01-EU-AM8
Max. PV Input Power (kW)200
Max. PV Input Voltage (V)1000
Start-up Voltage (V)200
MPPT Voltage Range (V)180-850
Full Load MPPT Voltage Range (V)450-850
Rated PV Input Voltage (V)600
Max. Operating PV Input Current (A)40+40+40+40+40+40+40+40
Max. Input Short-Circuit Current (A)60+60+60+60+60+60+60+60
No. of MPP Trackers8
Efficiency
Max. Efficiency>99%
MPPT Efficiency>99.9%
STS Module SUN-STS500L
Grid Side Data
Rated AC Input/Output Active Power (kW)500
Rated AC Input/Output Current (A)725
Rated Input/Output Voltage(V)220/380, 230/400 (three phase)
Grid Connection Form3L/N/PE
Rated Input/Output Grid Frequency50Hz/60Hz
Load Side Data
Rated Output Active Power (kW)500
Rated Output Current (A)725
Rated Output Voltage(V)220/380, 230/400 (three phase)
Grid Connection Form3L/N/PE
Rated Output Grid Frequency50Hz/60Hz
GEN Side Data
Rated AC Input Active Power (kW)500
Rated AC Input Current (A)725
Rated Input Voltage(V)220/380, 230/400 (three phase)
Grid Connection Form3L/N/PE
Rated Input Grid Frequency50Hz/60Hz
Equipment Protection
IntegratedDC Polarity Reverse Connection Protection, AC Output Overcurrent Protection, Thermal Protection, AC Output Overvoltage Protection, AC Output Short Circuit Protection, DC Component Monitoring, Overvoltage Load Drop Protection, Ground Fault Current Monitoring, Arc Fault Circuit Interrupter (optional), Power Network Monitoring, Island Protection Monitoring, Earth Fault Detection, DC Input Switch, DC Terminal Insulation Impedance Monitoring, Residual Current (RCD) Detection, Surge protection level
Surge Protection LevelTYPE II (DC), TYPE III (AC)
Interface
LCD/LED displayLCD
Communication InterfaceWIFI, RS485, CAN, Meter
General Data
Off grid switching time<10ms
Operating Temperature Range(°C)-25°C to +60°C, +45°C Derating
Permissible Ambient Humidity0 - 95%
Permissible Altitude4000m
Ingress Protection(IP) RatingIP 65(MPPT Module) IP 65(PCS Module) IP 20(STS Module)
Cabinet Size (W×H×D)[mm]543×660×198 (MPPT Module) 543×775×310 (PCS Module) 543×796×575 (STS Module)
Inverter TopologyNon-Isolated
Over Voltage CategoryOVC II (DC), OVC III (AC)
Type of CoolingIntelligent Air Cooling
Warranty5 Years/10 Years the Warranty Period Depends the Final Installation Site of Inverter, More Info Please Refer to Warranty Policy
Grid RegulationIEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE-Richtlinie R25, G99, VDE-AR-N 4105
Safety/EMC StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
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