CATL Mass-Produces 587Ah Cells: Raising the Bar for Energy Storage with Capacity Stacking

CATL's latest investor relations record confirms two things: large-format 587Ah energy storage cells are already being delivered at scale, and the energy storage market will maintain relatively fast growth over the next two years. Combined with data showing energy storage batteries accounted for about 1/4 of sales in H1 2026, these three signals together effectively draw a new technological watershed for the industry—large cells are no longer lab concepts but have entered the delivery and cost-realization phase.