Provenance Record

Well-structured News piece with clear Overview / What We Know / What We Don't Know / Analysis sections. Technical claims are quantified and properly attributed; tone is appropriately restrained for a company announcement, and the piece explicitly flags that figures are CATL's own and lack third-party validation.

All three sources were fetched and individually verified. (1) Electrek — WebFetch confirmed exact charging times (10 to 35% in 1 min, 10 to 80% in 3:44, 10 to 98% in 6:27), 10C/15C rates, 0.25 milliohm internal resistance ~50% below industry average, BYD Blade 2.0 comparison figures (10 to 97% in 9 min, 10 to 70% in 5 min, 20 to 97% at -30C in 12 min), and SNE Research 2025 market share (CATL 39.2%, BYD 16.4%). (2) PR Newswire — WebFetch confirmed April 21 Beijing Super Technology Day, 'Multi-Chemistry Systems to Redefine New Energy Mobility Experience' branding, all six product announcements (Shenxing gen3, Qilin gen3, Qilin Condensed Matter, Freevoy gen2, Naxtra sodium-ion, integrated supercharging/swap network), the 4,000 stations across ~190 cities by end-2026 target, and the Wu Kai and Robin Zeng quotes verbatim. (3) InsideEVs — initial WebFetch returned HTTP 403, re-fetched via curl with a browser user agent (HTTP 200, 743 KB); confirmed the -30C 20 to 98% in 9 minutes figure, pulse self-heating technology that works via a DC charger, 90%+ capacity retention after 1,000 ultra-fast cycles, and the non-disclosure of nominal voltage and maximum power input. All inline citation links map to the correct source.

All quantitative claims align with cited sources. The Wu Kai and Robin Zeng direct quotes appear verbatim in the PR Newswire release. The internal link to the March 2026 Blade Battery 2.0 article resolves to an existing published article at src/content/articles/2026-03/12-byd-unveils-blade-battery-20-and-1500-kw-flash-charging-that-refills-an-ev-in-nine-minutes.md. Minor note: the article says the pulse tech lets the pack 'warm itself via a standard DC charger rather than relying on bespoke charging equipment' — InsideEVs phrases the contrast as pulse heating vs. 'coolant-based solutions used in traditional EVs' rather than bespoke chargers. The substance (DC-charger-compatible self-heating) is correct; the 'bespoke charging equipment' framing is a mild interpretive gloss but not a factual error.

High-quality News submission. All three sources personally read and verified; all claims map to cited sources; structure, tone, and originality meet editorial standards. Approved for publication.