256kWh 120kW High-Power ESS with DC Fast Charge & AC Charge for Construction Machinery & Truck

Mobile Energy Storage System

Mobile and scalable energy storage system delivering sustainable power. 

Designed for rapid deployment 

* Download the CTESS brochure, with all the details and specifications

Compliant with European standards  any emission standards

This 256kWh 120kW battery energy storage system is designed for professional engineering sites including bridges, tunnels, and large infrastructure projects. As a heavy-duty industrial energy storage system, it provides ultra-high capacity and power for long-hour off-grid operation. Serving as a powerful portable power source, it supports heavy machinery and large-scale construction equipment. Its robust structure ensures stable performance in harsh site environments. The system supports reliable emergency backup and temporary energy supply for critical engineering tasks. With high endurance and strong output, it ensures uninterrupted power for large-scale infrastructure construction.

Flexible and reliable mobile BESS

The Combine CTESS mobile charging unit serves as an ideal solution for providing electrified power in regions where the power grid is either weak or non-existent. This Mobile Energy Storage System has 256 kWh and comes fitted with a 120 kW AC&DC output, enabling rapid charging for motors, trucks, and passenger cars alike. Additionally, it can supply power to tools and other electrical equipment through its multiple three-phase or single-phase output ports.And it can be equipped with a CCS2 DC charging gun, providing a continuous and reliable fast energy replenishment experience.

Precision Manufacturing Process

The 256kWh Mobile Energy Storage System is manufactured using stringent quality standards.

High-performance lithium battery cells are carefully selected and tested before assembly.

Advanced laser welding, automated module production, intelligent BMS integration, and industrial-grade power electronics ensure maximum reliability.

The enclosure is designed to withstand demanding outdoor environments while protecting critical electrical systems.

Every Mobile Energy Storage System undergoes comprehensive quality inspections, including charging tests, discharge tests, thermal performance verification, communication validation, safety inspections, and endurance testing before delivery.

This rigorous manufacturing process guarantees consistent performance, long service life, and reliable operation across a wide range of applications.

Key Features

Large 256kWh Capacity

The high-capacity Battery Energy Storage System supports extended operating periods and multiple charging cycles.

90kW AC Output

Provides stable power for construction equipment, site facilities, tools, and industrial applications.

CCS2 120kW DC Fast Charging

Supports rapid charging of electric excavators, electric mining equipment, electric trucks, and commercial EV fleets.

Reduced Carbon Footprint

The Mobile Energy Storage System enables significant reductions in diesel consumption and greenhouse gas emissions.

Renewable Energy Ready

Can integrate seamlessly with photovoltaic systems and microgrid applications.

User-Friendly Interface

The intelligent HMI provides easy access to operating data, charging status, battery health, power distribution, fault diagnosis, and maintenance information. Operators can quickly manage the Mobile Energy Storage System without specialized training.

More details about COMBINE BESS

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