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Nio Halts 150‑kWh Semi‑Solid Battery After Weak Demand

The company cites high cost with low uptake, choosing to invest in its battery‑swap network instead.

Overview

  • CEO William Li said production stopped after only several hundred units were built because customers rarely chose the upgrade.
  • Nio will not introduce the 150‑kWh pack in Europe, redirecting resources that would have gone to testing and certification into additional swap stations.
  • Company data show 97% of swap users opt for the 75‑kWh battery over larger packs, reflecting limited need for extreme range.
  • Executives described the pack as too expensive for the subscription model, making it unattractive from both business and user‑experience perspectives.
  • Series assembly began in April 2024 in Nanjing with WeLion semi‑solid cells, and the pack had been marketed for roughly 1,000+ km CLTC range.