We design and deliver complete battery systems, propulsion integration, or whole‑vessel solutions according to your vessel type, duty cycle, and performance requirements.

Custom

Solutions

LanghESS-S1 Modular Battery System

Customizable marine battery system that adapts to any vessel. Smart BMS, efficient thermal management – ready for pure electric, hybrid,system. Modular design makes expansion easy.
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LanghESS-C1 Containerized Battery System

Plug‑and‑play containerized energy storage for port swapping, shore power support, and large vessel applications. Factory assembled – just lift and connect on site. Use one container or scale up with multiple units in parallel.
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Propulsion Integration

A tailor‑made electric drive system for your vessel. Switch from diesel to electricity – zero emissions, low noise. From battery to motor, one‑stop matching for cleaner, more efficient sailing.
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Shore Power

Delivers stable, reliable power support for ports. Seamlessly supplies vessels during berthing, smooths grid fluctuations, and prevents transformer overload.Cabineted containerized and plug‑and‑play – helping ports go green.