Supplied as an AC block, Absen Energy Cube 261-Plus is an LFP battery energy storage system for commercial and industrial use with 261.2 kWh nominal energy. It supports 2 and 8 hour configurations. The system reaches 90% DC round-trip efficiency and uses liquid cooling with 314 Ah prismatic cells.
Use Cases
Absen Energy Cube 261-Plus has an energy capacity in the commercial and industrial class. It connects at 300 V, a low-voltage AC connection, and these specifications indicate use behind the meter.
Capabilities
Absen Energy Cube 261-Plus has a shortest listed configuration of 2 h, which points to peak shaving, discharging into the hours of highest demand. Its longest listed configuration is 8 h, and the specifications suggest capacity value, standing in as firm capacity when demand peaks. Its AC block includes the inverter, which makes it a candidate for renewable colocation, operating alongside a wind or solar plant on one site.
Nominal energy
0.26MWh
Rated AC power
0.13MW
Duration
2–8flexible
C / P rate
0.5P
Round-trip efficiency (AC)
90 %DC
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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 Absen Energy Systems
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|---|---|---|---|---|---|---|---|---|
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| Absen Energy | Cube 261-PlusAC Block · cabinet | 0.26MWh | 0.13MWAC | 2–8h0.5C · flex | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-253.2-HPBDC Block · cabinet | 0.25MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-235.1-HPBDC Block · cabinet | 0.24MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | Cube 225-YAC Block · cabinet | 0.23MWh | 0.1MWAC | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-217.0-HPBDC Block · cabinet | 0.22MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-198.9-HPBDC Block · cabinet | 0.2MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-180.8-HPBDC Block · cabinet | 0.18MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-162.7-HPBDC Block · cabinet | 0.16MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-144.6-HPBDC Block · cabinet | 0.14MWh | — | — | LFP314 Ah · Prismatic | |||
| Absen Energy | UX-126.6-HPBDC Block · cabinet | 0.13MWh | — | — | LFP314 Ah · Prismatic |
About the Vendor
Absen Energy entered energy storage in 2023 by setting up Ruidian Green Energy Technology Co., Ltd., a majority-owned Absen (300389) company. Based in Shenzhen, China, it runs two R&D centers and a 26,000-square-meter plant with annual capacity above 2.5 GWh, and it makes storage systems for residential, commercial, industrial, and grid use.
How to Read the Product Page
This profile of Cube 261-Plus by Absen Energy is assembled exclusively from public data to support early-stage screening and requires additional due diligence.
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