Coulomb Solutions (CSI), a supplier of electrification components for the North American commercial vehicle market, has announced the launch of a new wholly-owned subsidiary: ReadyGrid, a mobile energy storage company focused on providing power solutions for commercial and industrial applications.

CSI has transferred all its mobile battery energy storage system (BESS) activities to ReadyGrid, including engineering, product development, purchasing, manufacturing, sales, distribution, service and warranty operations. The new organization will bring these activities under one brand.

ReadyGrid has developed a portfolio of mobile energy storage systems with capacities ranging from 233 kWh to 5 MWh. Applications include commercial EV charging, demand response, grid resilience, construction and remote operations and emergency or temporary power. In addition to hardware, the company offers software, telematics and real-time data monitoring.

ReadyGrid’s flagship product is its 2.3 MWh mobile BESS. The system combines energy storage with an integrated 1-megawatt power conversion system. It provides 480-volt AC power and up to 1 megawatt of bidirectional Megawatt Charging System (MCS) capability for charging commercial vehicles and equipment. The system has been evaluated for compliance with applicable UL 9540 requirements.

ReadyGrid systems are designed for frequent transport and repeated deployment. They use commercial vehicle-grade LFP batteries from CATL, and feature integrated thermal management and reinforced system architecture for mobile applications.

“Creating ReadyGrid gives this business the dedicated people, resources and focus to solve our customers’ toughest power challenges and scale rapidly,” said CSI CEO David Mazaika. “We see an enormous and growing need for electrical power that can be deployed wherever and whenever it is needed.

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