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eCap Marine System / Package

Battery PowerPac BESS

Containerised LFP battery energy storage system for use on board or in port, 200–2,000+ kWh, DC or AC output, for emergency power, peak shaving, swappable battery operation and vessel charging.

Description

The eCap Battery PowerPac is a mobile, containerised battery energy storage system (BESS) developed by eCap Marine with Lehmann Marine for maritime use. It provides a flexible, scalable power supply on board or in port, with DC or AC output.

Key features

  • Configurable as battery-only, hybrid (battery plus fuel cell) or high-power charger for ports
  • Plug-and-play container for fast installation on board, reducing off-hire time
  • Maritime-certified components with integrated safety and power management

Technical data

  • Container sizes: 10 / 20 / 40 / 45 ft ISO
  • Battery type: maritime-certified LFP
  • Capacity range: 200 – 2,000+ kWh
  • Output: 400–1,000 V DC or 400, 440 or 690 V AC (50/60 Hz)
  • Safety systems integrate with the ship's alarm system; integrated BMS with optional remote access

Example setups

  • DC design: 2,250 kWh, nom. 691 V DC, 700 kW continuous, about 24 t, passive cooling
  • AC design: 1,575 kWh, 690 V AC (50/60 Hz), 1,000 kW continuous, about 20 t, active water and air cooling
  • Both: 6,058 × 2,438 × 2,896 mm

Applications

Emergency power during maintenance or outages, swappable batteries for vessels on tight schedules, extra machinery room capacity, reduced generator use in port and on the last mile, peak shaving and spinning reserve in channels or DP mode, and fast charging of electric and hybrid vessels.

Specifications

Example setups DC Design AC Design
Capacity 2,250 kWh 1,575 kWh
Voltage output nom. 691 V DC 690 V AC (50 / 60Hz)
Max. cont. power output 700 kW 1,000 kW
Dimension (LxBxH) 6,058 x 2,438 x 2,896 mm 6,058 x 2,438 x 2,896 mm
Weight about 24 t about 20 t
Cooling passive active water & air cooling

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