CSI Introduces Its New 466 kWh Mobile BESS, Delivering Reliable Power That Helps Cut Diesel Emissions and Address Grid Infrastructure Constraints. Customers in Southern California Contact CSI Today to Learn How to Qualify for Incentives Before June 2nd!

LIVERMORE, Calif., May 20, 2026 /PRNewswire/ -- Coulomb Solutions Inc. (CSI) is introducing its new 466 kWh Mobile BESS; a scalable system built with vehicle-rated battery packs for daily transport. It uses the latest long-life, high-density LFP batteries from CATL, along with premium components and an integrated vehicle-rated thermal management system for reliable performance across a wide temperature range. Designed for durability and safety, the system is engineered for high shock and vibration, meets stringent fire safety requirements for battery energy storage systems, is rated for 5,500 cycles, delivers 480 VAC output, supports both grid-tied and untethered operation, and is fully bidirectional. CSI's new 466kWh unit sits squarely in the middle of CSI's complete product line which ranges from 233 kWh to 2.33 MWh.