By ESS News
Chinese battery energy storage Specialist Hithium presented his new ∞cell 587AH energy storage cell and the corresponding ∞Power 6.25MWH 2-hour storage system on the 13th Energy Storage International Conference and Expo (ESIE2025) in Beijing last week. The manufacturer also announced that the ∞cell had started from the global sample in April 2025, planned with the ∞Power system for mass production in the second half of the year.
Engineers from Hithium explained the rationale behind the 587 Ah specification during the launch, underscoring the technical challenges that constrain energy storage design: container space, maritime transport weight limits (50t), the 1500 V system voltage ceiling, and the need to balance system architecture with the performance characteristics of Lithium Iron Phosphate (LFP) Chemistry. Instead of pursuing increasing capacity for itself, Hithium has its innovation in practical limitations based-as the container size of 20 feet and a 50-ton shipping threshold and used those limitations as the basis for reverse engineering of an optimized cell.
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