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PBC 261
Liquid-cooled battery cabinet | 261kWh
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High-performance liquid-cooled battery cabinet

The PBC 261 is a high-density, liquid-cooled battery cabinet designed for outdoor use in commercial, industrial, and utility-scale energy storage systems. It houses up to five LFP battery modules (52.2kWh each), delivering a total usable capacity of 261kWh in a compact IP55 enclosure.

Compact outdoor energy storage

Built on Pixii’s proven modular energy storage platform, the PBC 261 combines high energy density with a small footprint.

Its robust IP55-rated design enables reliable performance in challenging outdoor environments, making it ideal for commercial, industrial, and infrastructure applications that demand dependable power and long-term value.

Delivers 261kWh of usable energy in a compact, IP55-rated outdoor cabinet for demanding environments

Scalable and modular by design – expand capacity effortlessly from 261kWh to multi-MWh systems

Engineered for safety and seamless integration

Safety and reliability are at the core of the PBC 261. The cabinet features liquid cooling, integrated aerosol fire suppression, smoke detection, and an explosion relief panel.

Communication via CAN 2.0 and Modbus TCP/IP ensures easy integration with Pixii control systems and the Pixii Energy Architect EMS.

All critical components are accessible from the front, simplifying installation and maintenance.

Designed and tested for long-term performance, the PBC 261 delivers stable operation even in demanding climatic conditions.

Scalable performance for every application 

Multiple PBC 261 cabinets can be connected in parallel to create multi-megawatt-hour systems for applications such as peak shaving, backup power, renewable integration, and EV charging.

With high round-trip efficiency, precise temperature control, and long cycle life, the PBC 261 provides dependable energy storage performance across a wide range of use cases.

Specifications Highlights Typical applications
Configuration and voltage range
Configuration
1P260S
Nominal Voltage (V)
832V
Voltage Range (V)
650V – 936V
Battery module capacity
52.2kWh
Cycle life (cycles @%DoD)
>8000, (25°C, 95%DoD, 70%SoH)
Max. depth of disch. (DoD)
95%
Max. charge/discharge cur.
0.5P @25°C
External comm. protocols
Modbus TCP/IP
Communication and connectivity
Wired interfaces
Ethernet (RJ45) into BAMS
BMS communication
CAN 2.0
External comm. protocols
Modbus TCP/IP
Safety
Ingress Protection (IP) Cabinet
IP55
Ingress Protection (IP) Battery
IP67
Max. short-circuit current
<15kA
Operating conditions
Operating environment
Outdoor
Thermal management
Liquid cooling
Acoustic noice 1m distance
<70dBA
Operating amb. temp. range
-30°C- +55°C
Operating relative humidity(1)
<95%
Max. operating altitude(2)
<4000m
1. Non condensing 2. Polution level II, above 2000m, derating use
Physical specifications
Dimensions (HxWxD)(mm)
2300x1120x1300
Net. weight (fully equipped)
2500kg
Color
RAL 7035
Status indicator (type)
LED
Heat management system
Power supply
220 ~ 240Vac
Frequency
50Hz
Operating ambient temp.
-30°C ~ 60°C
Total current – cooling
20A
Total current – heating
12A
Warranty and compliance
Security and safety standards
UL1973 / UN38.3 / IEC 62619 / IEC62477/ UL9540A
EMC standards
IEC/EN 61000-6-2/4
Regional compliance
AS/NZS5139 & Battery Installtion Best Practice Guide
Warranty (years/cycles)(1)
See note
1. Warranty terms may vary based on your SLA agreement. Please review the warranty document for details.
Battery module
Battery chemistry
LFP
Cells in series (qty)
52
Battery cell capacity (Ah)
314Ah
Max. C-rate
0.5C
Configuration
1P52S
Nominal Voltage (V)
166.4V
Voltage Range (V)
130V – 187.2V (95% DoD)
Over-current protection
Internal fuse + SBMU protection
Dimensions (HxWxD)(mm)
237x800x1152
Net. weight (battery block)
340kg
Battery connection type
Quick, plug-in connection
  • 261kWh per cabinet
  • Scalable up to 5.22MWh
  • Liquid-cooled LFP battery modules
  • IP66 outdoor-rated cabinet
  • Integrated fire protection
  • CAN 2.0 and Modbus TCP/IP
  • Front access for installation and maintenance
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