[Sodium Battery: Tendering Project for Sodium-ion Batteries of Shenzhen Power Supply Bureau] The 11th batch of innovative project service special public tenders of Shenzhen Power Supply Bureau Co., Ltd. in 2024 will comprise seven subjects. Among them, two tenders are related to sodium-ion batteries: the "Prototype Production of Sodium-ion Battery Energy Storage Cloud-Edge Collaborative Edge Terminal Devices and Battery Management System" (involving the technology of sodium-ion battery energy storage cloud-edge collaborative edge terminals, three years of operation and maintenance for a sodium-ion battery energy storage system of no less than 100kWh, with an estimated procurement amount of RMB 3.5 million) and the "R&D of Low-cost, High-performance Sodium-ion Battery Cells and Prototype Production of Energy Storage Systems" (sodium battery cells, one set of sodium-ion battery energy storage system of no less than 100kWh, with an estimated procurement amount of RMB 1.6 million). The total estimated procurement amount for these two tender projects is RMB 5.1 million. The planned service period for both projects is from the date of contract signing to January 30, 2027.