Out-of-the-factory quality is a vanity metric. Full-lifecycle consistency is the real competitive advantage. Recently in China, a massive batch of 177Ah LFP battery cells in high-use EV fleets began failing between 150,000 and 300,000 km. The symptoms:↳ Severe cell-to-cell voltage imbalance↳ Sudden, unexpected range drops↳ High-voltage insulation faults↳ Complete vehicle shutdowns These cells passed initial…