Battery Power for Construction Sites — Replace Your Diesel Generator

    The emost Butler delivers up to 150 kVA of clean, silent power to any construction site — without diesel fuel, exhaust fumes, or noise restrictions.

    No Noise Restrictions

    Work day and night. The Butler runs silently — attracting no complaints and no enforcement visits.

    No Permits for Connection

    Deploy in 48 hours without grid connection applications. No waiting, no delays.

    60%+ Cost Saving

    Eliminate fuel spend and maintenance costs. Typical ROI vs diesel within 18 months on intensive projects.

    Proven on Real Construction Projects

    Crane Power in Residential Areas

    Butler S running a Liebherr MK 110 — quiet enough for urban night work without disturbing residents.

    Tunnel Construction

    Emission-free power underground eliminates exhaust and ventilation costs — safer for workers and cheaper to operate.

    Night Work in Zurich

    Butler S deployed at Waffenplatz — noise levels so low they impressed regulatory inspectors on-site.

    Which Butler Do You Need?

    Butler S

    • 50 kVA output
    • 25 kWh capacity
    • 660 kg total weight
    • Compact trailer format

    Butler M

    • 150 kVA output
    • 150 kWh capacity
    • <3,000 kg total weight
    • High-capacity trailer

    Need more power? Multiple Butler S units can be linked via the Link Box for additive capacity.

    Try the Butler Free on Your Next Project

    See full Butler specifications →Crane power guide →Tunnel construction guide →