Marine Batteries

Zero-emission shipping is scaling – and it runs on stored energy

Tightening IMO and EU emission rules are pushing operators to electrify their fleets.

Battery power already moves ferries, tugs and cargo across fjords and inland waterways.

The operators who win pair proven battery cells with turnkey marine integration.

Four container systems 2.0 to 3.7 MWh in a single 20ft footprint

L317 Single-room

1.96 MWh

  • One battery room
  • 772.8 V DC
  • Under 27T
  • Inland waterways

L317 Dual-room

1.96 MWh

  • Two battery rooms
  • 772.8 V DC
  • Under 27T
  • Inland waterways

L530 Dual-room

3.26 MWh

  • Upper + lower rooms
  • 76 V DC
  • Approx. 37T
  • Inland waterways

L530 Dual-system

3.66 MWh

  • Dual system, offshore-ready
  • 864 V DC
  • Approx. 395T
  • Inland & offshore

Engineered for harsh environment

Prismatic LFP chemistry

Cobalt-free lithium iron phosphate cells – stable, safe and long-cycle.

Multi-layer fire safe

HFC-227ea suppression, emergency exhaust and in-pack firefighting.

Built for tough conditions

Rated −10 °C to +55 °C, for high humidity and salt spray.

Class-society certified

Certified by the world’s five major ship classification societies.

One partner for the battery and the charging behind it

PSW pairs CATL containers with its own shore-power and megawatt charging systems — delivered as one integrated ship-to-shore solution.

Onboard energy storage – CATL containers.

Shore power & megawatt charging – PSW.

Unfied energy control & turnkey EPC delivery.

Engineering, procurement, construction and commissioning under one roof.

Shore power and battery-integrated charging already in operation.

In-house software optimises safety, performance and grid interaction.

Norwegian delivery backed by CATL’s world-leading marine cells

Trusted on offshore vessels – 30+ PSV`s already delivered.

30+ offshore PSV`s. Battery and power systems delivered across more than 30 platform supply vessels.

Turnkey delivery. Several projects covering system upgrade, installation, integration and commissioning.

Offshore hybrid partnerships. Cooperation agreements with customers providing hybrid solutions for offshore vessels.

Offshore PSV fleet upgrade – turnkey delivery by PSW.

Proven offshore delivery experience – now extended to CATL marine battery containers.

Let`s electrify your fleet

Contact us to talk about CATL marine battery containers for your next vessel.