Cummins

633 kWh

Industrial & CommercialAC Block20 ft container

Updated Aug 28, 2026

Industrial & CommercialAC Block20 ft containerUpdated Aug 28, 2026

Cummins 633 kWh is a containerized LFP battery energy storage system for commercial and industrial use, with about a 2-hour duration. It is supplied as an AC block, with liquid cooling or HVAC.

Use Cases

The specifications of Cummins 633 kWh together point to use behind the meter inside a customer's own electrical installation. By energy capacity, it belongs to the commercial and industrial class. It connects at 380 V and is certified to low-voltage grid connection rules under IEEE 1547 and AS/NZS 4777.

Capabilities

For Cummins 633 kWh, the specifications suggest renewable colocation, storing output from a wind or solar plant on the same site. Its shortest listed configuration is 2 h, making it a candidate for peak shaving, reducing the peak load at the connection point, and points to capacity value, being counted on as supply when the network is tight.

Nominal energy

0.63MWh

Duration

2hour

C / P rate

0.5C

What does this system typically cost?

BESSBASE.com user price estimates for 633 kWh by Cummins 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
0.63MWh
Duration
2 hour
C / P rate
0.5 C

Architecture

Container count
1
Installation
Outdoor-capable

DC Side

AC Side

AC voltage
380 V
AC voltage range
380V to 415V
Grid frequency
50 Hz / 60 Hz

Physical & Footprint

Battery Cells

Chemistry
LFP
Cell supplier
EVE Energy

Lifespan

Protection

Enclosure protection
IP54
Fire & safety
Real-time cell-level monitoring, liquid immersion protection, FK-5-1-12 fire suppression, internal 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.

More Cummins Systems

6
CompareLogoVendorSystemEnergyPowerDurationBattery CellOpen
Cummins
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2.28MWh—2h0.5CLFP
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1520 kWhAC Block · 20 ft container
1.52MWh—2h0.5CLFP
Cummins
1056 kWhAC Block · 20 ft container
1.06MWh—2h0.5CLFP
Cummins
633 kWhAC Block · 20 ft container
0.63MWh—2h0.5CLFP
Cummins
422 kWhAC Block · 10 ft container
0.42MWh—2h0.5CLFP
Cummins
211 kWhDC Block · 10 ft container
0.21MWh——0.5CLFP

About the Vendor

CumminsTier-2Listed Company

Founded in 1919 as Cummins Engine Company, Cummins is based in Columbus, Indiana. Its Accelera by Cummins unit includes battery and electric powertrain systems, adding BESS, energy storage, and other zero-emissions technologies to its long-running power systems business beyond engines and integrated power generation.

Production scale1-2 GWh
Company sizeMajor (10000+)
Vertical integrationMinimal
BankabilityOverall Positive

How to Read the Product Page

This profile of 633 kWh by Cummins 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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