LIQUID-COOLED BATTERY CONTAINER

CUBEPAL SERIES

CubePal ECO-B20FT5015LP-2N

5.015 MWh All-in-One Liquid-Cooled Battery Container

  • 5015 kWh

    Storage Capacity

  • 100%

    DoD Usable Energy

  • 8,000+

    Cycles Battery Life

CubePal ECO-B20FT5015LP-2N is a 5.015 MWh all-in-one liquid-cooled battery energy storage container designed for utility-scale BESS, large C&I energy storage, renewable integration, and grid-support projects. Built with LFP battery packs, intelligent BMS, liquid cooling, and multi-level fire protection, this factory-integrated containerized ESS helps EPCs, distributors, and project developers reduce installation cost, shorten delivery time, and achieve reliable long-duration energy management.

CERTIFICATIONS

UN3536

IEC62619

IEC63056

IEC62477-1

IEC61000-6-2/4

Front profile view of the Sunpal ECO-B20FT5015LP-2N 20-foot energy storage container with multi-door access inside a factory setting.
Open container view of the Sunpal ECO-B20FT5015LP-2N displaying multi-tier high-density battery racks, cabling connections, and safety management units.
Left side profile view of two Sunpal 20-foot energy storage containers showing cooling fan exhausts, control panels, and weight specifications.
Right side exterior view of two white Sunpal 20-foot energy storage containers showing corrugated steel side panels inside a warehouse.
Front profile view of the Sunpal ECO-B20FT5015LP-2N 20-foot energy storage container with multi-door access inside a factory setting.
Open container view of the Sunpal ECO-B20FT5015LP-2N displaying multi-tier high-density battery racks, cabling connections, and safety management units.
Left side profile view of two Sunpal 20-foot energy storage containers showing cooling fan exhausts, control panels, and weight specifications.
Right side exterior view of two white Sunpal 20-foot energy storage containers showing corrugated steel side panels inside a warehouse.
3D perspective render of the white Sunpal ECO-B20FT5015LP-2N energy storage container installed on a coastal platform with wind turbines in the background.

[ PRODUCT PERFORMANCE ]

Core Performance Data for CubePal ECO-B20FT5015LP-2N

Designed for utility-scale BESS and large C&I energy storage projects, CubePal ECO-B20FT5015LP-2N delivers 5.015 MWh storage capacity, 100% DoD usable energy, precise liquid cooling, and stable operation at high-altitude sites. Its performance data helps EPCs, distributors, and project developers compare system cost, technical fit, and long-term energy storage value before procurement.

[ SYSTEM CONFIGURATION ]

Core System Configuration of CubePal ECO-B20FT5015LP-2N

CubePal ECO-B20FT5015LP-2N is a factory-integrated 20ft liquid-cooled BESS container built with 48 battery PACKs, 6 high-voltage boxes, a liquid-cooling unit, fire protection system, and a combined distribution cabinet with EMS, ESCCU, and dynamic environment monitoring. This 5.015 MWh containerized battery energy storage system helps EPCs, distributors, and project owners simplify installation, reduce integration cost, and support reliable utility-scale energy storage deployment.

Studio 3D render of the Sunpal ECO-B20FT5015LP-2N container with a semi-transparent shell, revealing battery racks, liquid cooling airflow pathways, and internal wiring.

ECO-B20FT5015LP-2N

PACK

48/Single PACK series-parallel mode is 1P104S

High-voltage box

6

Fire protection system

1

Liquid-cooling unit

1

Combiner distribution cabinet

1/Includes EMS, ESCCU and dynamic environment system

Container body

1/L6058×W2438×H2896 mm

[ PRODUCT ADVANTAGES ]

Why Choose CubePal ECO-B20FT5015LP-2N?

CubePal ECO-B20FT5015LP-2N is engineered for 5MWh-class utility-scale BESS and large C&I energy storage projects, combining high-capacity LFP battery storage, precision liquid cooling, intelligent BMS control, and multi-level safety protection in one factory-integrated 20ft container. It helps EPCs, distributors, and project owners reduce deployment cost while improving usable energy, thermal consistency, and long-term operation reliability.

  • Green icon showing a high-capacity battery unit with a lightning bolt symbol, representing a 5MWh-class containerized battery energy storage system.

    5MWh-Class Containerized BESS

    With 5.015 MWh storage capacity in a standard 20ft container, the system delivers high energy density, better footprint utilization, and lower balance-of-system cost for large energy storage projects.

  • Green icon showing a lightning bolt inside a circular meter loop, representing optimized energy efficiency and reduced auxiliary power use.

    Lower Auxiliary Power Consumption

    The intelligent liquid cooling system adjusts cooling output according to battery temperature, helping reduce self-consumption and improve overall system efficiency during long-term operation.

  • Green speaker icon with an

    Quiet Operation Design

    Reduced fan dependency and optimized thermal control help lower operating noise compared with traditional air-cooled BESS, making the container more suitable for industrial and grid-side sites.

  • Green clock and hourglass icon, representing extended battery life and long-term operational durability.

    Extended Battery Service Life

    Stable LFP battery temperature management helps slow degradation, support 8,000+ cycle life, and improve lifecycle value for project developers and wholesale energy storage buyers.

  • Green thermometer icon with level bars, representing precise thermal regulation and uniform temperature control.

    Precise Temperature Consistency

    Liquid cooling keeps cell temperature difference within ≤3°C, improving battery consistency, voltage stability, and reliable charge-discharge performance under demanding conditions.

  • Green shield icon with a plus sign, representing outdoor durability and weather-resistant protection.

    Outdoor-Ready Protection

    With IP55 container protection, IP65 battery PACK design, C4 corrosion resistance, and optional C5 upgrade, the system supports reliable outdoor deployment in complex project environments.

[ TECHNICAL SPECIFICATIONS ]

Full Specifications for the CubePal ECO-B20FT5015LP-2N

ModelECO-B20FT5015LP-2N
Item
Cell TypeLFP314 Ah
Pack Configuration104.5kWh / 1P104S
System Configuration5.015MWh / 12P416S
Rated DC Voltage1331.2 V
DC Voltage Range1165 ~ 1498 V
Max. Charge/Discharge Rate0.5 P
Max. Depth of Discharge100% (25 ± 2°C)
Cycle Life≥ 8,000 cycles
Fire Suppression SystemAerosol system+Water spray system
Ingress RatingIP55
CoolingLiquid cooling+Forced air cooling
Operating Temperature-25°C~55°C (Derating after 45°C)
Anticorrosion RatingC4 (C5 optional)
Humidity0~95% RH (non-condensing)
Altitude4500m
Dimensions (W×D×H)6,058×2,438×2,896 mm
Weight41.8t
Safety/EMCUN3536, IEC62619, IEC63056, IEC62477-1, IEC61000-6-2/4

[ PRODUCT SOLUTIONS ]

5MWh-Class Liquid-cooled BESS Solutions for Utility and Grid-side Projects

CubePal ECO-B20FT5015LP-2N supports large-scale energy storage projects with 5.015 MWh capacity, liquid-cooled battery management, high energy density, and intelligent system control. Designed for utility-scale BESS, grid-side storage, renewable energy integration, and large C&I applications, it helps EPCs, distributors, and project developers improve energy scheduling, reduce project cost, and build reliable long-duration power management systems.

Utility-scale BESS Projects

Grid-side Energy Storage

Peak Shaving & Load Shifting

  • Aerial rendering of energy storage cabinets installed outside a large industrial building with a solar panel array in the background.
  • Aerial rendering of energy storage cabinets installed outside a large industrial building with a solar panel array in the background.
  • 3D rendering of a modern home with rooftop solar panels, a swimming pool, and an outdoor battery storage unit installed in the yard.
  • 3D rendering of a modern home with rooftop solar panels, a swimming pool, and an outdoor battery storage unit installed in the yard.
  • Aerial rendering of an electric vehicle charging station with integrated energy storage cabinets and parked cars charging under a modern canopy.
  • Aerial rendering of an electric vehicle charging station with integrated energy storage cabinets and parked cars charging under a modern canopy.

[ KNOWLEDGE CENTER ]

Frequently Asked Questions

Everything You Need to Know About CubePal ECO-B20FT5015LP-2N

What projects is CubePal ECO-B20FT5015LP-2N suitable for?

CubePal ECO-B20FT5015LP-2N is designed for 5MWh-class utility-scale BESS projects, grid-side energy storage, renewable energy integration, large C&I energy storage, microgrids, and industrial backup power applications.

Why choose a 5.015 MWh liquid-cooled battery container?

A 5.015 MWh liquid-cooled battery container provides high energy density in a standard 20ft footprint, helping project owners reduce site space, simplify deployment, and improve overall storage capacity planning.

How does liquid cooling improve battery performance?

Liquid cooling helps control battery temperature more precisely and keeps cell temperature differences within ≤3°C, reducing thermal stress and supporting stable long-term operation for large-scale energy storage systems.

Does ECO-B20FT5015LP-2N support 100% depth of discharge?

Yes. The system supports 100% DoD under specified operating conditions, helping EPCs and project developers improve usable energy, lifecycle value, and project cost evaluation.

Is this BESS container suitable for outdoor and high-altitude sites?

Yes. With IP55 protection, C4 anticorrosion rating, and support for operation up to 4500 m altitude, it is suitable for demanding outdoor utility, renewable energy, and industrial storage sites.

How does the system ensure safety for large-scale storage projects?

The container combines LFP battery chemistry, intelligent BMS monitoring, liquid cooling, electrical protection, aerosol fire suppression, and water spray protection to reduce operational risk.

Can multiple CubePal ECO-B20FT5015LP-2N units be deployed together?

Yes. The containerized BESS design supports scalable project configuration, allowing multiple units to be used for larger grid-side storage, renewable energy, and utility-scale power management projects.

How can I get pricing, datasheet, or wholesale project support?

Share your project capacity, grid requirements, site conditions, and application scenario. Sunpal can provide a custom quote, datasheet, lead time, and technical proposal for EPCs, distributors, and project owners.

[ CONTACT OUR TEAM ]

Get a Custom Quote for CubePal ECO-B20FT5015LP-2N

Share your project requirements and receive tailored pricing, lead time, datasheet support, and a technical proposal for the 5.015 MWh liquid-cooled BESS container within 24 hours.

Talk to an Engineer

Our engineering team responds within 3 working days with acustomized technical proposal including system design, BOM, and ROI analysis.

MOBILE & WHATSAPP

+

+86 18269912022

EMAIL

ess@sunpalpower.com

HEADQUARTER

ess@sunpalpower.com

Free to contact us