SoftBank launches large-scale battery business in Japan to build AI-era power infrastructure

2026-05-11 01:39:39 ET

SoftBank ( SFTBY ) on Monday launched a Japan-based battery business aimed at building next-generation power infrastructure to support the rapidly increasing demand for electricity being driven by AI adoption....

SoftBank will advance an end-to-end strategy spanning development through manufacturing to create innovative battery cells and advanced energy storage systems, it said in a statement.

SoftBank will utilize the AI data center it is developing on the former Sharp Corporation factory site in Sakai City, Osaka Prefecture, as a core hub to establish its AX Factory and the GX Factory.

At the GX Factory, SoftBank plans to begin manufacturing battery cells and energy storage systems from the fiscal year ending March 31, 2028 (FY2027), with the aim of achieving mass production on a gigawatt-hour (GWh)-per-year scale by around FY2028.

SoftBank Corp. ( SFTBY ) will partner with South Korea’s Cosmos Lab and DeltaX Co. to enable mass production from the fiscal year starting next April, the company said in a statement on Monday.

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