C&I storage systemHi-MO One Pro-DC
261.24 kWh battery cabinet for capacity expansion.
- Rated energy
- 261.24 kWh
- Nominal voltage
- 832 V
LONGi / LONGi ONEC&I storage systemC&I energy storage system
261 kWh per cabinet.AC cabinet with PCS, DC cabinets for more hours.
Energy storage / Commercial and industrial
Hi-MO One Pro-AC
Liquid-cooled C&I storage system · 261.24 kWh per cabinet
A liquid-cooled storage system for commercial and industrial sites, built from an AC cabinet and DC expansion cabinets. Select the cabinet, review the specifications and bring your requirements to VOLFAC.
- Rated energy
- 261.24 kWh
- Nominal voltage
- 832 V
- Cooling
- Liquid
- Ingress protection
- IP55
Select cabinetHi-MO One Pro familyHi-MO One Pro-AC / Hi-MO One Pro-DC family
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Product overview
One AC cabinet, then battery cabinets as needed.
Hi-MO One Pro pairs an AC cabinet, which holds 261.24 kWh of 314 Ah LFP cells and one or two power conversion systems for 125 or 250 kW, with DC cabinets of 261.24 kWh each. LONGi states “1+11” capacity expansion for 2 to 24 hours of storage, integration of PV, diesel generator, storage and grid, and a built-in energy management system. The cabinets are liquid-cooled and rated IP55.
- 261.24 kWh per cabinetLFP cells of 314 Ah, 832 V nominal.
- 125 or 250 kWOne or two power conversion systems in the AC cabinet, 400 V, 50 Hz.
- “1+11” expansionDC cabinets add capacity for 2 to 24 hours of storage, as LONGi states.
- Liquid cooling, IP55Operating from −30 °C to +55 °C.
Technical specifications
Know the details.
Hi-MO One Pro-ACLONGiFamily Hi-MO One ProModel Hi-MO One Pro-AC
Brand LONGiFamily Hi-MO One Pro-AC / Hi-MO One Pro-DCSelected model Hi-MO One Pro-AC
DC side
- Cell type
- LFP
- Cell capacity
- 314 Ah
- Rated energy
- 261.24 kWh
- Nominal voltage
- 832 V
AC side
- Rated power
- 125 kW (1 PCS) or 250 kW (2 PCS)
- Max. output power
- 137.5 kW (1 PCS) or 275 kW (2 PCS)
- Rated grid current
- 180 A (1 PCS) or 360 A (2 PCS)
- Rated voltage
- 400 V
- Rated grid frequency
- 50 Hz
- Max. power from PV (AC coupling)
- 250 kW
- Max. power from diesel generator
- 400 kVA
- Max. power from grid
- 400 kVA
- Max. load (output)
- 250 kVA
General data
- Operating altitude
- ≤ 2,000 m
- System ingress protection rating
- IP55
- Operating temperature
- −30 °C to +55 °C, derating above 50 °C
- Cooling method
- Liquid cooling
- Standards
- IEC/UL 60730, IEC 62619, IEC 63056, EN/IEC 62477, IEC 62040, EN/IEC 61000, UN 38.3, UN 3480
Dimensions and weight
- Dimensions (W × D × H)
- 1,902 × 1,600 × 2,351 mm
- Weight (max.)
- 4,511 kg
Source: LONGi product pageLONGi — Hi-MO One Pro product page and the Hi-MO One Pro datasheet (V2.0, 11 May 2026).
Downloads
Product documents.
- Technical datasheetHi-MO One Pro · English · PDFHi-MO One Pro-AC and Hi-MO One Pro-DC · English · PDF
Request a quotation.Share your quantity and delivery destination. We reply with a quotation for Hi-MO One Pro-AC, not an order confirmation.
Hi-MO One Pro familyHi-MO One Pro-AC / Hi-MO One Pro-DC family
More from this LONGi series.
- C&I storage system
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