SoftBank bets on battery building to back bit barns

SoftBank is getting into the datacenter battery business and plans to start manufacturing them on the scale of gigawatt-hours per year of capacity to support the power needs of AI infrastructure, including its own. The Japan-based tech investment biz says it aims to deploy the battery systems it is developing at its own large-scale AI server farms initially, but plans to make them more widely available in future. It hopes to begin mass production in financial year 2027, and expects the operation