Komatsu and California-based Dimaag have unveiled a powerful new charging innovation for the construction and mining sectors — the Mobile Megawatt Charging System (MWCS). Introduced at the recent Bauma trade show in Germany, the MWCS delivers DC fast charging up to 1 megawatt and can scale to 6 megawatts thanks to its modular DC-DC converter design.
Built for rugged environments, the all-electric MWCS features 4-wheel drive, 4-wheel steering, and torque vectoring, allowing it to navigate tight and uneven terrain to deliver power directly to equipment. It can be operated remotely and offers autonomous capabilities, significantly reducing the need for human oversight in demanding job sites.
Key features include:
A high-efficiency, compact DC-DC converter
A long-life, high-discharge-rate energy storage system
Advanced thermal management for safety and extended lifecycle
Vehicle-to-vehicle charging, supporting a flexible and mobile energy network on site
In addition to its work with Komatsu, Dimaag has also partnered with Hitachi to develop a 1.7-metric-ton electric excavator, also showcased at Bauma. Together, these innovations reflect a broader push toward electrification and autonomy in heavy machinery, aligned with global sustainability and decarbonization goals.
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