Hoenergy D-Cube-S125/261 is an LFP system for commercial and industrial use, supplied as an AC block with 261 kWh nominal energy. It uses liquid cooling and 314 Ah prismatic cells, with 88% AC and 98.5% DC round-trip efficiency. The 2.5 tonnes (5,512 lb) unit has a 689 to 949 V DC window.
Use Cases
Use behind the meter is consistent with the specifications of Hoenergy D-Cube-S125/261. Its energy capacity is within the commercial and industrial range, and it connects at 380 V, a low-voltage AC connection.
Capabilities
A 0.5P rating makes Hoenergy D-Cube-S125/261 a candidate for peak shaving, cutting the power drawn from the grid at peak times. It holds about 2.09 h of storage at full power, calculated from 261 kWh and 125 kW. That calculated duration points to capacity value, being counted on as supply when the network is tight. Its AC block includes the inverter, which points to renewable colocation, storing output from a wind or solar plant on the same site.
Nominal energy
0.26MWh
Rated AC power
0.13MW
C / P rate
0.5P
Round-trip efficiency (AC)
88 %AC
What does this system typically cost?
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Energy & Power
Architecture
DC Side
AC Side
Physical & Footprint
Battery Cells
Lifespan
Protection
Full Specification Sheet
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Plant Round-Trip Efficiency
The calculator estimates the full "plant" round-trip efficiency (RTE) at the point of interconnection. Some values are pre-blocked depending on information on a particular ESS. The rows that are marked "each way" are one-way efficiencies; they are applied on charge and again on discharge. We then square them. To enter a bundled PCS efficiency value, use its rated-power value, not peak. If the PCS skid already includes the LV/MV transformer, set Transformer LV/MV to 100 % so those losses are not counted twice.
Site Space Required
Shared: one 3 m aisle serves both neighbours. Dedicated: each unit keeps its own 3 m, so gaps double to 6 m.
Single unit — matches the stored area_sqm convention.
More Hoenergy Systems
8| Compare | Logo | Vendor | System | Energy | Power | Duration | Battery Cell | Open |
|---|---|---|---|---|---|---|---|---|
| Hoenergy | D-Ocean-5016DDC Block · 20 ft container | 5.02MWh | — | —0.5C | LFP314 Ah · Prismatic | |||
| Hoenergy | D-Cube-418DDC Block · cabinet | 0.42MWh | — | — | LFP314 Ah · Prismatic | |||
| Hoenergy | D-Cube-S125/261AC Block · cabinet | 0.26MWh | 0.13MWAC | —0.5C | LFP314 Ah · Prismatic | |||
| Hoenergy | D-Cube-H125/261AC Block · cabinet | 0.26MWh | 0.13MWAC | — | LFP314 Ah · Prismatic | |||
| Hoenergy | D-Cube-F135/261AC Block · cabinet | 0.26MWh | 0.14MWAC | — | LFP314 Ah · Prismatic | |||
| Hoenergy | D-Cube-F135/261AC Block · cabinet | 0.26MWh | 0.14MWAC | — | LFP314 Ah · Prismatic | |||
| Hoenergy | EFIS-A-W100/215-AIOAC Block · cabinet | 0.22MWh | 0.1MWAC | — | LFP280 Ah · Prismatic | |||
| Hoenergy | EFIS-D-W50/100-AIOAC Block · cabinet | 0.1MWh | 0.05MWAC | 2h0.5C | LFP280 Ah · Prismatic |
About the Vendor
Founded in 2021 and based in Shanghai, Hoenergy makes BESS for commercial, industrial, and grid uses, with in-house BMS, PCS, EMS, and system integration. Its projects include frequency regulation, advanced materials manufacturing, shipbuilding, electronic materials, the Czech Republic, and industrial bakery sites, with at least 71.3 MWh deployed, including a 100 MW/50.43 MWh frequency regulation system.
How to Read the Product Page
This profile of D-Cube-S125/261 by Hoenergy is assembled exclusively from public data to support early-stage screening and requires additional due diligence.
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