HiTHIUM

HCL 125kW-261kWh-400

Industrial & CommercialAC Block

Updated Aug 28, 2026

Industrial & CommercialAC BlockUpdated Aug 28, 2026

HiTHIUM HCL 125kW-261kWh-400 is a commercial and industrial battery energy storage system supplied as an AC block with the power conversion system. It has 261 kWh nominal energy and uses 314 Ah prismatic cells. The unit weighs 2.7 tonnes (5,952 lb).

Use Cases

The specifications of HiTHIUM HCL 125kW-261kWh-400 together point to use behind the meter. Its energy capacity is within the commercial and industrial range. It connects at 400 V, a low-voltage AC connection.

Capabilities

The 0.5P rating suggests peak shaving, cutting the power drawn from the grid at peak times. A calculated storage duration of about 2.09 h at full power from 261 kWh and 125 kW makes HiTHIUM HCL 125kW-261kWh-400 a candidate for capacity value, standing in as firm capacity when demand peaks. Its AC block includes the inverter. That configuration 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

What does this system typically cost?

BESSBASE.com user price estimates for HCL 125kW-261kWh-400 by HiTHIUM and similar storage systems. The ranges are LDP (Landed Duty Paid) prices per kWh that cover all expenses of delivering the goods to the buyer's premises, including production, shipping, sales margins, and import duties.

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Energy & Power

Nominal energy
0.26MWh
Rated AC power
0.13MW
C / P rate
0.5 P

Architecture

Installation
Outdoor-capable

DC Side

Nominal DC voltage
832 V

AC Side

AC voltage
400 V
AC voltage parameters
3W+N+PE

Physical & Footprint

Dimensions (W × D × H)
1,000 × 1,350 × 2,380mm
Weight
2.7t

Battery Cells

Cell capacity
314 Ah
Cell format
Prismatic
Cell supplier
HiTHIUM (in-house)

Lifespan

Protection

Enclosure protection
IP55

Full Specification Sheet

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Plant Round-Trip Efficiency

Duration
energy ÷ power 2 h
0.5C
—
State of health
new system
as-new
—
DC block
typical @2 h
round trip @ 2 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
51.4m² total site area · 1 × 1
554 ft²0.0051 ha0.013 acres197.9 m² / MWh2,130 ft² / MWh
Unit W × D
1 × 1.35 m
3.28 × 4.43 ft
Site envelope
7 × 7.35 m
22.97 × 24.11 ft
Per unit
51.4 m²
Installed energy
0.26 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

HiTHIUMTier-1Private Company

Founded in 2019 and based in Xiamen, China, HiTHIUM makes stationary BESS products for utility-scale and commercial and industrial use, and it has shipped more than 100 GWh of battery cells and integrated systems, giving project developers, utilities, and lenders a large operating record.

Production scale2-20 GWh
Company sizeLarge (1000-10000)
Vertical integrationHigh
BankabilityNeutral

How to Read the Product Page

This profile of HCL 125kW-261kWh-400 by HiTHIUM 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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