SoftBank will manufacture zinc-halogen batteries at its Osaka AI data center campus, targeting gigawatt-hour production by 2028 and ¥100B revenue by 2030. SoftBank will manufacture zinc-halogen batteries at its Sakai, Osaka facility, targeting gigawatt-hour-scale production by March 2028. The water-based electrolyte technology eliminates thermal runaway risk, a critical advantage for co-located energy storage inside AI data centers. Key facts Gigawatt-hour-scale production target by March 2028 ¥100 billion ($637 million) annual revenue goal by fiscal 2030 Sakai site: 440,000 sq meters, 150+ MW data center DeltaX's Cell to Pack: 5.37 MWh per 20-foot container SoftBank's $4B DigitalBridge acquisition for data center capacity SoftBank is extending its AI infrastructure vertical integration into energy storage.…