Elon Musk explains why Tesla’s 4680 battery breakthrough is a big deal

Tesla has confirmed it is now producing its 4680 battery cells using a streamlined dry electrode manufacturing process for both the anode and cathode. This breakthrough is significant because it reduces production costs and complexity, which could lead to more affordable electric vehicles and improved profitability for Tesla. For owners and enthusiasts, this advancement is a key step toward cheaper, longer-range cars and a more scalable battery supply.

February 02, 2026

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Tesla Achieves Breakthrough in Large-Scale Dry Electrode Manufacturing

Feb 02

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Tesla confirms that it finally solved its 4680 battery’s dry cathode process

Jan 30

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Leaked Photo of Alleged Tesla Structural Pack Suggests 4680 Battery Cells Are Ready

Oct 01

#4680 Battery

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Tesla Energy • Oct 01, 2024

Tesla 4680 ‘Million-Mile’ Battery Is Already Here, Hints Clever Video Soundtrack

Tesla's new 4680 battery cells are hinted to have achieved a "million-mile" lifespan, despite not being explicitly announced during Battery Day. This suggests a major advancement in battery longevity is already in production. For owners, this could translate to significantly longer-lasting vehicles with minimal battery degradation over many years of use.