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DEEP RESEARCH · BATTERIES / ESS

ESS Industry Take-Off and 2H 2025 Battery Outlook

A short bookmark-style post that keeps an external video on 2H 2025 battery / ESS dynamics on file

Published: 2025-08-09 · Industry observation note · Original Naver Blog post

You are responsible for your own investment decisions. This material is research and is not a buy or sell recommendation.

0. Bottom line first

This post is essentially a bookmark: almost no body text, just an embedded YouTube video covering battery / ESS conditions. The actual content lives in the video; the post itself is a placeholder I can come back to.

  • Topic: ESS industry coming into bloom, and the 2H 2025 secondary-battery outlook
  • Format: one embedded video + an extra embed slot (no narrative body)
  • Use: a reference index for revisiting the storyline later

1. What is actually in the source

Official fact: The only material the post carries is a single YouTube link — https://youtu.be/u4BuIODYewQ?si=FJmF2SAhoCycUd-m. There is an additional empty embed slot but no caption or commentary.

Interpretation: Because the substance lives in the video, the post itself can't generate new analysis. Its value is as a record that, at this date, I was already paying attention to ESS separating from the broader battery cycle in the second half.

2. Things to check when revisiting

Demand

ESS demand triggers

Are data centres, renewables build-out, and U.S./EU ESS tenders the actual signal behind the "take-off" thesis? Verify against the video.

Value chain

Where margin sits

Map margin between cells (LFP), module/system integrators, and components (BMS, inverters).

EV vs ESS

Decoupling from EV cycle

Decide whether ESS can run as its own cycle even while EV demand stays soft.

Korea

Korean cell-maker position

Track ESS mix shift and new awards at LG Energy Solution, Samsung SDI, and SK On.

2H Battery Watch PointsThe body is thin, but these are the axes the video likely walks through
EVDemand slowdown, inventory work-down
ESSTake-off on grid & data-centre demand
MaterialsLithium / cathode price bottom debate
PolicyU.S. IRA, Korean ESS deployment
The 2H setup may be "stay cautious on EV, treat ESS as a separate track."