CATL has officially revealed detailed specs for its new sodium-ion battery — and while some headlines are getting a bit carried away, the real numbers here are still huge.
We’re talking about a battery chemistry that CATL says could deliver up to 3.6 million miles of usable lifespan, with cycle life measured in the tens of thousands, and at a cost around 50% lower than lithium-ion in certain applications.
In this video, I break down:
What CATL actually revealed — and what it didn’t
How sodium-ion compares to LFP and lithium-ion in cost, lifespan, and energy density
Where this battery realistically makes sense (and where it doesn’t)
Why this matters for EVs, grid storage, and long-term energy security
This isn’t clickbait, and it’s not the “end of lithium overnight” — but it is one of the most important battery announcements we’ve seen in years once you look past the hype and into the data.
As always, all figures are explained in context, with realistic limitations and real-world use cases.
Let me know what you think in the comments — is sodium-ion finally ready for prime time, or is lithium still king?
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