

We kept coming back to two price assessors agreeing a Chinese storage cell costs CNY 0.365 per watt-hour and disagreeing on whether that number rose or held flat. China's consumption tax took effect September 1. Neither assessment separates the tax from the underlying move. That problem showed up everywhere this week. All three Korean battery makers posted better Q2 numbers for unrelated reasons. A US defense cost threshold can shift on commodity prices without the product changing. The readings look stable until you ask what they actually measured.

Former commodity analyst turned specialist writer covering Asian battery supply chains. Spent six years at a mid-tier trading house in Hong Kong before turning to independent market intelligence. Her analysis is built on second-derivative tracking and reality-gap measurement — where the market actually is versus where inputs say it should be.

Ronan Adike is a PhD electrochemist who spent fifteen years moving from the SEI to the supply chain — developing, qualifying, and shipping novel battery technologies into applications that had no playbook. He writes for engineers who need a number they can defend, not a headline they can forward.
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