New UN Numbers and Packaging Instructions:
UN 3551: Sodium-ion batteries
UN 3552: Sodium-ion batteries (installed in equipment or packed with equipment)
Battery Capacity Limits and Packaging Requirements:
From 2026, the capacity of lithium-ion and lithium-metal batteries must not exceed 30%.
A 3-meter stacking test requirement has been added in PI 966-II, PI 967-I/II, PI 969-II, and PI 970-I/II clauses to ensure packaging strength and safety.
Label and Marking Changes:
"Lithium Battery Label" was renamed to "Battery Label."
"Class 9 Hazardous Goods Label - Lithium Batteries" was renamed "Class 9 Hazardous Goods Label - Lithium Ion and Sodium-Ion Batteries."

