UT3 Updated

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PowerPacks line—robust, long-

lifespan battery systems (up to 25

years) that power everything from

portable sensors to large-scale

underwater platforms.

Engineered for operation in harsh

subsea environments, the

PowerPacks come in a variety of

pressure-tolerant housings

including:

● Titanium: for ultra-deep

missions up to 6000m

● Super-Duplex Stainless Steel:

rugged and corrosion-resistant,

also to 6000m

● Marine-grade Aluminum:

optimized for shallower

operations up to 1000m

BUILT FOR POWER, PROVEN IN

THE FIELD

SubCtech’s battery systems

undergo extensive qualification

testing—including resistance to

shock, vibration, thermal

variation, and electromagnetic

interference. All systems are built

to meet or exceed:

● UN T38.3 (transport safety)

● API17F / API17Q (subsea

equipment reliability)

● MIL-STD, DNV 2.7-3 (portable

offshore units)

The Li-Ion-based PowerPacks

offer automatic protection

against overvoltage,

undervoltage, overcurrent,

overheating, overcharging, and

short circuits and smart algorithm

for complex ESS system.

An intelligent Battery

Management System (SmartBMS)

constantly monitors and

optimizes performance from

individual cells to full module

arrays.

These systems also support AI-

based predictive analytics and

remote diagnostics—enhancing

reliability while minimising

downtime.

PowerPacks can deliver higher

peak currents, operate in sub-

zero temperatures, and support

long-term deployments with

minimal maintenance.

SUBSEA ESS: POWERING THE

ENERGY TRANSITION

A major milestone for SubCtech

is the development of a modular,

scalable Subsea Energy Storage

System (ESS)—the first of its kind

to be certified under API17F and

reach TRL 6 (Technology

Readiness Level 6), validated in

real-world offshore deployment.

The ESS includes:

● Two 1 MWh Battery Storage

Skids (BSS)

● Integrated Power Skid (AC/DC

converter)

FAULT FINDING • CONSTRUCTION • DECOMMISSIONING

Subsea Test Tools

www.c-kore.com

Tel: +44 (0)1904 215161 • Email: sales@C-Kore.com

Insulation Resistance

Electrical TDR

Optical TDR

Sensor Monitor

C-Kore’s patented test tools automate the entire

testing process, achieving significant cost savings. It’s

safe for use on all subsea infrastructure, giving you

better data much faster without extra personnel.

Now with

Optical TDR

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