GB/T 44265—2024: Sodium Ion Battery Specs for Energy Storage

This document, GB/T 44265—2024, is a national standard of the People's Republic of China that specifies technical requirements for sodium ion batteries used in electrical energy storage power stations. It covers appearance, dimensions, mass, electrical performance, environmental adaptability, durability, and safety. The standard includes test methods, inspection rules, coding, marking, packaging, transport, and storage guidelines. It applies to design, manufacture, testing, operation, maintenance, and repair of such batteries. Key terms defined include rated power charging-discharging cycles, nominal voltage, initialized charging/discharging, rate charging, shell, fire, explosion, liquid leakage, and adiabatic temperature rise. The document references other standards like GB/T 191, GB/T 2828.1, and DL/T 2528. It was issued on August 23, 2024, and implemented on March 1, 2025, under the authority of the State Administration for Market Regulation and Standardization Administration of China.