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Plug and play batteries

The solution for grid connected or battery SWAP

SWAP-service

Full energy service

The ideal solution for projects with a charging hub nearby

From €0,99 per kWh

Grid connected

Parallel grid coupled or island mode

The ideal solution for projects with a (limited) grid connection

From €1.500 per week

Our products

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WM-DC5

Extremely Compact & Lightweight

240/120 kW DC Battery Pack

500 kWh Battery Pack

DC CCS2

View specs
De Watermeln WM200: een mobiele waterstofaggregaat in de kenmerkende groene watermeloen-stijl, ontworpen voor het leveren van krachtige en volledig emissieloze stroom op locatie

WM-AC5

Robust & Scalable

250 kVA Battery Pack

240, 360 & 480 kWh

DC CCS2

View specs

Applications

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🏗️ Construction & Infrastructure

Keep electric cranes, excavators, and site huts running smoothly without the limitations of a weak grid connection. Our robust, compact, and powerful batteries are easy to transport and can be swapped effortlessly at any construction site.

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🎡 Festivals & Events

Enjoy power without the roar of diesel generators or unpleasant fumes. Our batteries effortlessly handle high peak demands during performances and keep the site whisper-quiet at night. Thanks to our swap service, we guarantee unlimited energy—even for multi-day events.

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🚢 Maritime & Ports

Decarbonize your berths or electric propulsion systems. Our battery systems are built to withstand harsh maritime conditions and deliver the high discharge currents required for marine applications. With our swap solution, vessels can quickly replenish their energy supply without being tied to the quay for hours.

Why choose Watermeln batteries?

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  • The trusted quality and service you expect
  • Custom Peak Power: Our systems effortlessly deliver the extra boost needed for heavy start-up currents.

Gegarandeerde uptime door geschakelde Watermeln waterstofaggregaten voor constante emissieloze stroom.
  • Modular design: Put them in parallel to increase power and capacity
  • Dutch-Engineered: Developed with local expertise to ensure maximum quality and premium service.
Real-time cloud monitoring van de Watermeln waterstofaggregaat via het my.watermeln online dashboard.
  • Plug & Play: Immediately deployable and fully integrated with our proprietary My.Watermeln monitoring software.

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WM-DC5

WM-DC5: Smart Modular Setup

What truly sets this system apart is its unique modular design: you only get and pay for exactly what you need. Because the AC box and DC CCS charging box are supplied externally, they stay on-site and do not need to be transported back and forth with every battery swap—saving you unnecessary logistics and costs.

Output variants:

AC 100 kW & 240 kW

DC CCS 2 sockets 120 kW

  • Power
    • Out: 120 kW DC
    • In: 240 kW DC
  • Capacity options
    • 264 kWh
    • 528 kWh
  • Input
    • 1x DC CCS
  • Outputs
    • 2x DC
    • 2x AC 120 kW (external)
  • Operating temperatures
    • -15 to 45 °C
    • Liquid cooled
  • Weight and demensions
    • From 2000 kg
    • 2.4 x 0.94 x 1.76 (LxWxH)
De Watermeln WM200: een mobiele waterstofaggregaat in de kenmerkende groene watermeloen-stijl, ontworpen voor het leveren van krachtige en volledig emissieloze stroom op locatie

WM-AC5

Mobile accu pack in a 10 ft container

  • Power
    • Peak 350 kW AC
    • Continuously: 200 kW AC
  • Capacity
    • Battery: 240 kWh
    • Battery: 360 kWh
    • Battery: 480 kWh
  • Output
    • 2x Powerlock 360A
    • 2x CEE 125A
    • DC CCS2 (optional)
  • Input
    • 1x CEE 125A
  • Operational temperature
    • -15 tot 45 °C
  • Weight and dimensions
    • From 5.500 kg
    • 2,99 x 2,44 x 2,59 meter (LxWxH; 10ft container)
WM-200

Book your Watermeln generator now

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