50 KWH IN THE BUS
WITHOUT ADR CERTIFICATE

An addition to the path of emission-free construction sites. A compact, powerful and efficient battery pack.

The BouwPowerr BP 50 is carefree transportable in bus or on trailer, except for ADR certificate. The robust palletized housing and the one-point lifting eye make the battery pack easily transportable on site. With this battery pack it is possible to charge and discharge simultaneously. With a domestic plug, 32A power can be made. An output of 63A can even be achieved in combination with 32A from the mains or by connecting a second BouwPower.

€38,500 excluding VAT

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Grant advantage

  • SSEB Purchase (SME): 19% over €5,100 (surcharge of €100/kWh at 50 kWh)
  • MIA scheme: 9% net tax benefit on the investment
    Together this results in 21% eligible benefit, good for about €8,100 subsidy and tax benefit.

With these arrangements, the BP50 becomes even more financially attractive and is a strong step toward zero-emission construction.

BouwPower BP 50
in details

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The input and output capabilities of the BP 50

Transport is exempt from ADR certificates

BP50 Bouwpower

Features a convenient lockable storage compartment for charging tools

BP50 Bouwpower

The BouwPower is easy to move on pallet trucks

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All parameters are clearly visible on the control screen. The output side is lockable with a door.

BP50 Bouwpower

Lifting possibility via central lifting eye, fastening possibility for lashing straps

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The necessary power outlets are placed behind a lockable door

Construction power BP 50
in pictures

technical specifications

  • Battery

    Lithium Battery 51.9 kWh/24 kW, 51V DC

  • Transformation

    Conversion 30kVA (24 kW continuous)

    Simultaneous charging and discharging

  • Charging time 0 - 100%

    • With 230V / 16A “home, garden and kitchen” connection 2500 watts +- 24 hours
    • With two 230V / 16A “house, garden and kitchen” connection 5000 watts +- 12 hours
    • With 400V / 16A power connection +- 5 hours
    • With 400V / 32A power connection +- 2.5 hours
  • Outputs

    • CEE 400V/ 63A when interconnecting 2 units, 400/32A on load input, peak load 43kW 2 to 5 seconds and 32A building distribution boxes with 63A plug and long cable runs.
    • CEE 400V/ 32A (22kW)
    • CEE 400V/ 16A (11kW)
    • Schuko 4 x 230V/ 16A
    • Schuko 1 x 230V/ 16A on the outside
  • Dimensions

    Euro pallet dimensions: 1200x800mm (LxW), Height = approx. 1565mm

  • Entries

    • CEE 1x 400V/ 32A for coupling and charging 11/22kW
    • 2 x 230V/ 16A for single-phase charging
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Complete your machine with our attachments

Get the most out of your machine with our attachments. We have an attachment for every job. Ample stock, new and used. We are also happy to advise you on customization.

Power problem on the construction site?

Every contractor or earthmoving professional knows the situation: machines and lighting run on electricity, but the site power connection is limited, or missing altogether. Yet, the work has to go on. An electric generator like the Bouwpower BP50 offers the perfect solution. This compact power unit provides a reliable electricity supply on-site, without emissions, noise, or fuel consumption. Ideal for locations without a fixed connection but with a constant need for power.

By choosing a battery-powered generator, you opt for reliability, flexibility, and sustainability. The BP50 is quiet, clean, and ready for the future, working on clean energy, perfectly aligned with the shift toward zero-emission construction and sustainable building practices.

Always power, without emissions

Where traditional generators run on fuel, the Bouwpower BP50 operates fully electrically. This makes it a perfect fit for the transition to sustainable and zero-emission construction. You can use the BP50 to power machines, lighting, or tools, or as a temporary power supply on projects without a grid connection.

Thanks to the powerful battery, you can even achieve 32A of power current, enough to use several electric machines at the same time. Whether you're working on an inner-city project, maintenance job or green space project, the BP50 ensures that work never comes to a halt.

Battery-powered generator without ADR

Moving a battery generator? The BP50 is ADR-free, which means you can easily transport it in a van or on a trailer. Thanks to its pallet-sized design, robust housing, and practical lifting eye, moving it with a forklift or crane is effortless. This way, you always have power at hand, anywhere and anytime, without complex permits or heavy logistics.

BP50 Bouwpower

Safe and practical battery generator for every construction site

The Bouwpower BP50 is equipped with several smaller sockets for power tools and connections for larger equipment. All outlets are safely positioned behind a lockable door, keeping them protected from dust, dirt, and unauthorized access. This makes the BP50 not only practical but also safe for everyday use on the construction site.

BP50 Bouwpower

The solution for zero-emission and sustainable construction

With the BP50, you choose practical sustainability. No emissions, less noise, and no need for fuel transport to the construction site. This makes it not only environmentally friendly, but also safer and more efficient.

The BP50 perfectly meets the demands of modern contractors and the growing focus on sustainability in construction. Whether you want to comply with Zero-Emission Construction (ZEC) standards, prepare for stricter regulations, or simply work smarter, this battery generator represents the future of on-site power.

Why choose the Bouwpower BP50 from Ahlmann?

  • Always reliable power, wherever there’s no grid connection.
  • Fully electric generator: zero emissions and silent.
  • Multiple outlets: suitable for power tools and heavy equipment, safely protected behind a lockable door.
  • Smart alternative to site power: ready for sustainable construction.
  • ADR-free and mobile: easy to transport and position thanks to pallet size and lifting eye.
  • Contributes to zero-emission and sustainable construction, without compromising on power.
  • Perfectly compatible with electric Mecalac machines.