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Dunext · Energy storage C&I

Dunext PowerHill

Name: Dunext PowerHill
Brand: Dunext

C&I BESS energy storage 215-261 kWh

TypeBESS

SegmentC&I

Capacity215-261 kWh

CellsLiFePO4

ManagementEMS

Dunext PowerHill is a series of integrated outdoor BESS energy storage cabinets for the commercial and industrial (C&I) sector, available in three capacity variants: 215, 233 and 261 kWh. The systems are built on LiFePO4 cells, feature a local energy management system (EMS) with an O&M service cloud, run on-grid and off-grid with a 3-phase backup output, and carry a multi-layer safety architecture with a fire suppression system. The 233 and 261 kWh variants are liquid-cooled, while the 143-215 kWh variant uses air conditioning.

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Variants

Three capacity variants.

Values confirmed by the datasheets (215 and 261 kWh) and the technical documentation of the 233 kWh variant. "n/a" marks a parameter not stated in the available documentation.

Parameter	PowerHill 215 kWh	PowerHill 233 kWh	PowerHill 261 kWh
Battery capacity	215 kWh	233 kWh	261 kWh
Cells	LiFePO4 280 Ah	LiFePO4 280 Ah	LiFePO4 314 Ah
AC power (charge/discharge)	50 / 100 kW	105 kW	125 kW
Cooling	Air conditioning	Liquid	Liquid
AC / backup output	3P4W	3P4W	3P4W
Cycle life	n/a	n/a	8000 cycles @70%
Protection degree	IP55 / IP54	n/a	IP55
Dimensions (W / H / D)	1686 / 2093 / 1354 mm	n/a	1025 / 2365 / 1350 mm
Weight	approx. 2500 kg	n/a	approx. 2800 kg

Capabilities

Key features.

Three variants 215-261 kWh

Capacities of 215, 233 and 261 kWh matched to site size and load profile.

Local EMS and O&M cloud

Intelligent energy management plus remote monitoring and service via the O&M cloud.

Multi-layer safety

A layered safety architecture with a fire detection and suppression system.

Liquid cooling

The 233 and 261 kWh variants are liquid-cooled, with a small cell-to-cell temperature difference.

Peak shaving and backup

Peak power reduction, PV self-consumption and a 3-phase off-grid backup output.

Durability and scalability

LiFePO4 cells, up to 8000 cycles (261 kWh) and parallel operation of up to 10 cabinets.

Technical data

Specification.

Parameters shared across the entire PowerHill series. Values that differ between variants are in the comparison table above.

TypeIntegrated outdoor BESS cabinet

SegmentCommercial and industrial (C&I)

CellsLiFePO4

AC output3-phase (3P4W), 230/400 V, 50 Hz

Backup output (off-grid)3-phase (3P4W)

Power factor rangeAdjustable

Energy managementLocal EMS + O&M cloud

Fire suppression systemSmoke, temperature and gas detection + suppression

Safety architectureMulti-layer

Anti-corrosion gradeC3

Relative humidity0-95% (non-condensing)

Operating temperature-25 to +55 °C (variant dependent)

Operating altitudeup to 4000 m (variant dependent)

Noise level≤ 75 dB(A)

CommunicationEthernet, RS485 (Modbus TCP / RTU)

CertificationsIEC 62619, IEC 61000, IEC 62477, UN 38.3, UL 9540A, CE

Downloads

Documentation.

Datasheet 215 kWhPDF · PowerHill 143-215 kWh (EN) Datasheet 261 kWhPDF · PowerHill 261 kWh (EN) EU Declaration of Conformity 233 kWhPDF · CE certificate UL 9540A certificate 233 kWhPDF · fire safety

The 233 kWh datasheet and product photos are coming soon. Need more documents? Get in touch or email handel@mplenergy.pl.

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