Ampace

UniC AG300-150

Industrial & CommercialAC Block

Updated Sep 28, 2026

Industrial & CommercialAC BlockUpdated Sep 28, 2026

Ampace UniC AG300-150 is an LFP battery energy storage system for commercial and industrial applications with 301.5 kWh nominal energy, supplied as an AC block. Liquid cooling supports 302 Ah prismatic cells. It weighs 2.8 tonnes (6,173 lb).

Use Cases

Ampace UniC AG300-150 has nominal energy in the commercial and industrial size class. It connects at 400 V, a low-voltage AC connection. Together these specifications indicate use behind the meter.

Capabilities

Ampace UniC AG300-150 holds about 2.01 h of storage at full power, calculated from 301.5 kWh and 150 kW, which points to capacity value, standing in as firm capacity when demand peaks. Its AC block includes the inverter, and the specifications suggest renewable colocation, storing output from a wind or solar plant on the same site.

Nominal energy

0.3MWh

Rated AC power

0.15MW

What does this system typically cost?

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Energy & Power

Nominal energy
0.3MWh
Rated AC power
0.15MW

Architecture

Installation
Outdoor-capable

DC Side

DC voltage range
811.2 – 1,123.2 V

AC Side

AC voltage
400 V
AC voltage range
340-440 V
Grid frequency
50 Hz / 60 Hz

Physical & Footprint

Dimensions (W × D × H)
1,030 × 1,320 × 2,480mm
Weight
2.8t

Battery Cells

Chemistry
LFP
Cell capacity
302 Ah
Cell format
Prismatic
Cell supplier
Ampace (in-house)

Lifespan

Protection

Enclosure protection
IP55
Corrosion protection
C3-M
Fire & safety
Perfluorohexanone

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
51.5m² total site area · 1 × 1
554 ft²0.0051 ha0.013 acres171.5 m² / MWh1,846 ft² / MWh
Unit W × D
1.03 × 1.32 m
3.38 × 4.33 ft
Site envelope
7.03 × 7.32 m
23.06 × 24.02 ft
Per unit
51.5 m²
Installed energy
0.3 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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9
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Ampace0.44MWh0.11MWAC4h0.25CLFP530 Ah · Prismatic Next-Gen 500+ Ah
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Ampace0.44MWh0.22MWAC2h0.5CLFP530 Ah · Prismatic Next-Gen 500+ Ah
Ampace
UniC AG300-150AC Block · cabinet
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Ampace
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0.09MWh——LFP100 Ah · Prismatic

About the Vendor

AmpaceTier-2Private Company

Founded in 2021, Ampace is a CATL and Amperex Technology Limited joint venture based in Xiamen, China. It makes lithium-ion cells, battery packs, and integrated energy storage systems for commercial, industrial, residential, and renewable energy uses, and it reports shipping more than 2.45 million ESS units and over 65 million cells in more than 30 countries and regions.

Production scale0.2-1 GWh
Vertical integrationHigh
BankabilityNeutral

How to Read the Product Page

This profile of UniC AG300-150 by Ampace 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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