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BESS 125-271

On-grid All-in-one
Energy Storage System

BESS 125-271
125KW-271KWH



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  • 215_画板 1l07

    Fire proof devices in each
    modular and in the cabinet

  • 215-023c8

    Two level BMS built-in

  • 215-04rjn

    Easy for on site installation

  • 215-05gxg

    IP55 fire and explosion
    proof cabinet

  • 215-03euq

    Intelligent thermal
    management system

 YIY BESS 125-271 all-in-one commercial and industrial ESS integrates PCS, BMS, EMS, battery, intelligent thermal management, power distribution, fire protection, etc. Its all-in-one design facilitates installation and O&M. Also, the system's safety design ensures better battery performance and longer service life. Multiple cabinets can be directly connected in parallel for system expansion.

06

Fire control module inside each cabinet

07

Air conditioner


08

EMS 

09

EMSU 

10

Rock wool 

BESS 125-271
01

Pressure relief valve

02

BMU

03

Fire control module inside each battery pack

04

PCS module

05

Battery pack*15 PCS

BESS 125-271
BESS 125-271
BESS 125-271
BESS 125-271
01020304

Technical ParameterBESS 125-271

Nominal AC output power : 125KW
Total Battery Capacity : 271KWH
AC output voltage : 400V
DC voltage range : 756V~950V
Maximum efficiency : ≥98.5%
AC frequency : 50Hz/60Hz
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PRODUCT CASE
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010203040506

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