Absen Energy

Cube 225-Y

Industrial & CommercialAC Block

Updated Sep 23, 2026

Industrial & CommercialAC BlockUpdated Sep 23, 2026

For commercial and industrial use, Absen Energy Cube 225-Y is an LFP battery energy storage system with 225 kWh nominal energy, supplied as an AC block. It uses air conditioning, 314 Ah prismatic cells, and weighs 3.3 tonnes (7,275 lb).

Use Cases

Use behind the meter is consistent with the specifications of Absen Energy Cube 225-Y. It falls within the commercial and industrial class by energy capacity. It connects at 400 V, a low-voltage AC connection.

Capabilities

Its AC block includes the inverter, which points to renewable colocation, operating alongside a wind or solar plant on one site. It holds about 2.25 h of storage at full power, calculated from 225 kWh and 100 kW. That duration makes Absen Energy Cube 225-Y a candidate for capacity value, counting as firm supply toward a network's peak needs.

Nominal energy

0.23MWh

Rated AC power

0.1MW

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Energy & Power

Nominal energy
0.23MWh
Rated AC power
0.1MW

Architecture

Installation
Outdoor-capable

DC Side

Nominal DC voltage
716.8 V

AC Side

AC voltage
400 V
AC voltage parameters
3P+N+PE
Rated AC current
144 A
Grid frequency
50 Hz / 60 Hz

Physical & Footprint

Dimensions (W × D × H)
1,700 × 1,200 × 2,300mm
Weight
3.3t

Battery Cells

Chemistry
LFP
Cell capacity
314 Ah
Cell format
Prismatic

Lifespan

Cycle life
7,000 cycles

Protection

Enclosure protection
IP55
Fire & safety
Aerosol

Full Specification Sheet

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Plant Round-Trip Efficiency

Duration
energy ÷ power 2.3 h
0.43C
—
State of health
new system
as-new
—
DC block
typical @2.3 h
round trip @ 2.3 h
94 %
PCS (DC/AC)
typical default
each way
97.02 %
Transformer LV/MV
typical default
each way
98.01 %
Transformer MV/HV
typical default
each way
98.01 %
Cables (all segments)
typical default
each way
98.8 %
Auxiliary power (plant's own consumption)
typical default
−4.3 pts
Plant Round-Trip Efficiency at the Point of Interconnection
82.2 %
40 %100 %
1.216MWh charged for every 1 MWh discharged
Both measured at the grid connection point. The plant's own power use is already included in the losses.

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

single unit clearance 3 m / side
55.4m² total site area · 1 × 1
597 ft²0.0055 ha0.014 acres241 m² / MWh2,595 ft² / MWh
Unit W × D
1.7 × 1.2 m
5.58 × 3.94 ft
Site envelope
7.7 × 7.2 m
25.26 × 23.62 ft
Per unit
55.4 m²
Installed energy
0.23 MWh
1 × nameplate
Units1
Per row1
Clearance between unitsShared

Shared: one 3 m aisle serves both neighbours. Dedicated: each unit keeps its own 3 m, so gaps double to 6 m.

Clearance allowance
6m per axis · 3 m per side
19.69 ft per axis · 9.84 ft per side

Single unit — matches the stored area_sqm convention.

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About the Vendor

Absen EnergyTier-2Listed Company

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.

Production scale2-20 GWh
Company sizeSmall (1-300)
Vertical integrationMinimal
BankabilityOverall Positive

How to Read the Product Page

This profile of Cube 225-Y by Absen Energy is assembled exclusively from public data to support early-stage screening and requires additional due diligence.

Always confirm these terms and technical specifications directly with the vendor and project stakeholders. Reflect all agreed-upon details in the legal agreements before making any investment decisions.

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