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HiTHIUM’s latest AIDC BESS, ∞Power 6.9 MWh, has a rated storage capacity of up to 6.9 MWh and full-load rated power of 862.5 kW
It consists of 1,300 Ah LDES LFP cells, with 4 times higher capacity than standard 330 Ah or 340 Ah counterparts
Block-wise storage capacity can be expanded to up to 55.2 MWh by electrically connecting 8 units in parallel
Battery energy storage system (BESS) provider HiTHIUM unveiled its latest product, ∞Power 6.9 MWh, aiming at AI data center (AIDC) applications, at SNEC 2026. Today’s AIDC, whose normal load curve is primarily baseload type throughout the day, needs a balance between efficient computing operations and green transition. However, the intermittency of renewable energy and broad daytime/evening peaks of the load curve require long-duration energy storage-mediated load shaping to limit peak loads.
Jay Che, the Regional Director of Application Engineering, APAP&AU, at HiTHIUM, shared a brief overview of the latest product with the TaiyangNews team during a short interview at SNEC 2026.
This BESS, equipped with 1,300 Ah lithium-iron-phosphate (LFP) cells, is rated for a storage capacity of up to 6.9 MWh. According to the company, these cells fall into the long-duration energy storage (LDES) category, with up to 8 hours of backup. The company claimed that its 4 times higher capacity compared to conventional 330 Ah or 340 Ah LFP peers reduces system components by more than 30%. It can charge or discharge up to 6.9 MWh of energy at the rated full-load power (AC) of 862.5 kW. Che noted that up to 8 units (BESS) can be connected in parallel on the grid side, resulting in an AC energy block with a cumulative storage capacity of 55.2 MWh. The company uses an HVAC system that keeps battery operating temperatures within a safe range. These batteries have a guaranteed lifecycle of more than 25 years. Che claimed that the BESS’s integrated prefabricated design boosts system deployment efficiency by up to 18%, and the compact design reduces installation footprint by 23% compared to conventional counterparts. The company launched this product in China last year and in Australia last month. Che added that it is expected to be mass-produced for both markets by 2027.
The company also displayed its 587 Ah LFP and 162 Ah Na-ion battery cells at its booth. The latter product is commercially available, with a current domestic order of less than 100 MW. HiTHIUM is also accepting orders from overseas, including Australia, Japan, Europe, and the US.
