BYD Energy Storage

XN2C-B7284-E/U-R4

Grid-ScaleDC BlockContainerized

Updated Aug 28, 2026

Grid-ScaleDC BlockContainerizedUpdated Aug 28, 2026

BYD Energy Storage XN2C-B7284-E/U-R4 is a containerized LFP battery energy storage system supplied as a DC block. It provides 7.284 MWh nominal energy and 1.821 MW rated DC power. The unit uses liquid cooling and weighs 55.5 tonnes (122,356 lb).

Use Cases

BYD Energy Storage XN2C-B7284-E/U-R4 belongs to the utility-scale class by energy capacity. That specification points to use in front of the meter on the utility's side of the connection.

Capabilities

The specifications indicate for energy shifting, charging at one time and discharging hours later, and suggest capacity value, counting as firm supply toward a network's peak needs: BYD Energy Storage XN2C-B7284-E/U-R4 holds about 4 h of storage at full power, calculated from 7.284 MWh and 1.821 MW. Its DC block connects through a separate inverter. That configuration makes BYD Energy Storage XN2C-B7284-E/U-R4 a candidate for renewable colocation, sitting next to a wind or solar plant and sharing its grid connection.

Nominal energy

7.28MWh

Rated DC power

1.82MW

What does this system typically cost?

BESSBASE.com user price estimates for XN2C-B7284-E/U-R4 by BYD Energy Storage 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
7.28MWh
Rated DC power
1.82MW

Architecture

Installation
Outdoor-capable

DC Side

AC Side

Auxiliary power
44kW

Physical & Footprint

Weight
55.5t

Battery Cells

Chemistry
LFP
Cell supplier
BYD Energy Storage (in-house)

Lifespan

Protection

Enclosure protection
IP66
Fire & safety
With fire detection system

Full Specification Sheet

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Plant Round-Trip Efficiency

Duration
energy ÷ power 4 h
0.25C
—
State of health
new system
as-new
—
DC block
typical @4 h
round trip @ 4 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.

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About the Vendor

BYD Energy StorageTier-1Listed Company

BYD Energy Storage, founded in 2008 and based in Shenzhen, China, makes battery energy storage systems for grid and renewable energy use. By 2025, it had shipped 60 GWh of systems worldwide, held 13% of the global BESS market, and built a track record in utility-scale projects across several international markets.

Production scale20+ GWh
Company sizeMajor (10000+)
Vertical integrationHighest
BankabilityOverall Positive

How to Read the Product Page

This profile of XN2C-B7284-E/U-R4 by BYD Energy Storage 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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