Lead Story
Aug 6, 2026
CALB overhauls quality controls after 'banana battery' swelling issues
China's third-largest battery maker has tightened manufacturing tolerances and granted its quality team veto power over batch releases following widespread cell swelling in GAC Aion vehicles. The overhaul includes stricter electrode coating standards, improved moisture monitoring, and retrospective audits of materials used in 2022-2023.
Priya Sharma