Envision Energy

DC Container Products

Grid-ScaleDC Block20 ft container

Updated Aug 28, 2026

Grid-ScaleDC Block20 ft containerUpdated Aug 28, 2026

Envision Energy DC Container Products is an LFP battery system supplied as a DC block for utility-scale use. It provides 5.03 MWh nominal energy in 2, 3 and 4 hour configurations. The unit uses liquid cooling and 315 Ah prismatic cells, and weighs 41 tonnes (90,389 lb).

Use Cases

The specifications of Envision Energy DC Container Products suggest use in front of the meter, connected to the utility network itself. Its energy capacity is within the utility-scale range.

Capabilities

For Envision Energy DC Container Products, the specifications suggest renewable colocation, operating alongside a wind or solar plant on one site. Its shortest listed configuration is 2 h, which makes it a candidate for peak shaving, cutting the power drawn from the grid at peak times, and the specifications indicate grid services, support for the operation of the electricity network. The specifications suggest energy shifting, taking in power and returning it hours later. Its longest listed configuration is 4 h, which makes it a candidate for capacity value, being counted on as supply when the network is tight.

Nominal energy

5.03MWh

Duration

2–4flexible

C / P rate

0.5P

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Energy & Power

Nominal energy
5.03MWh
Duration
2–4 hourflexible
C / P rate
0.5 P

Architecture

Container count
1
Installation
Outdoor-capable

DC Side

Nominal DC voltage
1,331.2 V
DC voltage range
1,123.2 – 1,497.6 V

AC Side

Physical & Footprint

Dimensions (W × D × H)
6,058 × 2,438 × 2,896mm
Weight
41t

Battery Cells

Chemistry
LFP
Cell capacity
315 Ah
Cell format
Prismatic
Cell supplier
Automotive Energy Supply Corporation (AESC)

Lifespan

Protection

Enclosure protection
IP55IP67
Corrosion protection
C4HC5H
Fire & safety
total flooding aerosol-based fire extinguishing system, fire-resistance rated enclosure, active ventilation, deflagration panel, backup water sprinkler system

Full Specification Sheet

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Plant Round-Trip Efficiency

Duration
duration 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
101.7m² total site area · 1 × 1
1,095 ft²0.0102 ha0.025 acres20.2 m² / MWh218 ft² / MWh
Unit W × D
6.06 × 2.44 m
19.88 × 8 ft
Site envelope
12.06 × 8.44 m
39.56 × 27.68 ft
Per unit
101.7 m²
Installed energy
5.03 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.

More Envision Energy Systems

4
CompareLogoVendorSystemEnergyPowerDurationBattery CellOpen
Envision Energy10MWh—4h0.25C · flexLFP750 Ah · Prismatic Next-Gen 500+ Ah
Envision Energy
5 MWh String PCS Power ContainerAC Block · 20 ft container
5.03MWh2.52MWAC—0.5CLFP315 Ah · Prismatic
Envision Energy
DC Container ProductsDC Block · 20 ft container
5.03MWh—2–4h0.5C · flexLFP315 Ah · Prismatic
Envision Energy0.41MWh—2–4h0.5C · flexLFP305 Ah · Prismatic

About the Vendor

Envision EnergyTier-1Private Company

Envision Energy, founded in 2007 in Jiangyin, Jiangsu, makes and integrates battery energy storage systems for grid-scale projects. It has more than 50 GWh in cumulative energy storage orders across more than 400 projects in 10 countries, and it completed a 12.8 GWh utility-scale energy storage cluster in Inner Mongolia, China.

Production scale20+ GWh
Company sizeLarge (1000-10000)
Vertical integrationHighest
BankabilityNeutral

How to Read the Product Page

This profile of DC Container Products by Envision 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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