BYD Chess Forced Air Cooling LFP C15 Outdoor Energy Storage System – OSN-P60B274-U

Designed for flexibility in outdoor applications, the BYD Chess OSN-P60B274-U features a compact design with a 258 kWh LFP C15 battery, delivering 247 kWh of usable energy (BOL at FAT). The system incorporates forced air cooling for efficient thermal management and operates effectively within a wide temperature range of -20°C to +55°C. With a nominal power output of 60 kVA, this energy storage solution is ideal for small- to medium-scale commercial use, providing reliable energy for peak shaving, backup, and renewable energy integration. The IP55-rated battery cabinet and built-in HVAC ensure durability and long-term performance.

 

BYD CHESS ESS OSN-P60B274-U

• Incorporates lithium iron phosphate (LFP) batteries with an intelligent management system to ensure safety, efficiency, and long battery life.
• Equipped with intelligent temperature control and robust protection design, making it ideal for outdoor applications.
• Modular design enables convenient installation and maintenance.
• Hierarchical linkage structure provides comprehensive safety for the entire system.

Annotation

• The system undergoes power derating when the ambient temperature exceeds 40°C.
• When the system is installed at an altitude between 2000-3000m, its output will be derated.

 

Specifications

System Type	OSN-P60B274-U
DC Input Data
Cell Type	LFP C15
Module Type	1P9S
Battery String Type	1P252S (28 Modules)
System Configuration	1 × 1P252S
Battery capacity (BOL)@FAT	258kWh
DC Usable Energy (BOL)@FAT	247kWh
Battery Voltage Range	705.6~907.2V
AC Output Data
Nominal Power	60kVA
AC usable energy (BOL)@FAT	240kWh
AC full power energy (BOL)@FAT	240kWh
Nominal Voltage	480V
Voltage Range	422V~528V
Nominal Grid Frequency	60Hz
Grid Frequency Range	57Hz~60.5Hz
Power Factor	1 leading ~1 lagging
Max. THD of Current	＜3% (@Nominal Power)
Isolation Method	Transformer less
General Data
Dimensions of ESS Unit (W×D×H)	1600×1900×2300mm
Weight of ESS Unit	2970kg
IP Rating of PCS Cabinet	IP65
IP Rating of Battery Cabinet	IP55
Operating Temperature Range	-20℃~+55℃【1】
Relative Humidity	5%～100%
Max. Working Altitude	＜3000m【2】
Cooling Concept (PCS Cabinet)	Forced Air Cooling
Cooling Concept (Battery Cabinet)	HVAC
Noise	≤75dB(A)
Fire suppression system	With fire suppression system
Auxiliary power interface	AC480V/60Hz, 3 phase(L1/L2, 2 wires)
Auxiliary system peak power requirement	3.5kW
Communication Interfaces	Ethernet
Communication Protocols	Modbus TCP/IP
Compliance	UL9540/UL1741 SA/UL9540A

 

Specsheet