# East Asia Brief — Flatiron Energy Development

1 briefings mentioning Flatiron Energy Development.

- [SK On passes UL 9540A fire safety test for utility storage](https://eastasiabrief.com/batteries-ev/sk-passes-ul-9540a-fire-safety-test-utility-storage-979) — The battery maker satisfied tightened North American container propagation rules without cell runaway in adjacent units, backing 10 gigawatt-hours of utility… *(October 29, 2026; Batteries & EV · Korea · SK On)*

Full text of each briefing: append `.md` to its URL. Site index: https://eastasiabrief.com/llms.txt
Publisher: East Asia Brief — https://eastasiabrief.com/