Tesla 4680 Cell Production

Updated June 24, 2026

Overview

Supplier sourcing insights & recommendations

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Analysis of Tesla's 4680 cell production as of 2026 reveals a significant shift from technological experimentation to stabilized, vertically integrated mass production.

Key Market Trends & Technical Insights

* Dry Electrode Breakthrough: Tesla has officially achieved a "full dry" process for both anode and cathode at Giga Austin as of Q1 2026. This eliminates the need for large drying ovens and toxic solvents, potentially reducing manufacturing costs by 30% Teslarati.

* Production Capacity: Giga Austin is now the primary hub, having recommenced building Model Y battery packs with internal 4680 cells to mitigate tariff risks and improve supply chain resilience Basenor Electrek. New LFP lines in Nevada are also expected to begin production in 2026 Electrek.

* Performance Benchmarks: Current "8L" packs used in the 2026 Model Y show an energy density of approximately 244 Wh/kg. While this is a slight regression from the 2170 cells (269 Wh/kg), it marks the stabilization of Tesla's own cell technology Yeslak.

* Supplier Dynamics: While Panasonic and LG Energy Solution (LGES) remain critical partners, Tesla is increasingly using in-house production as a "vector of supply" to reduce reliance on external providers amidst global trade volatility Yeslak.

Supplier Landscape

Beyond Tesla's in-house efforts, several B2B manufacturers are now offering 4680-format cells for the broader EV and energy storage markets. I have identified 27 verified suppliers specializing in these large-format cylindrical cells. Key manufacturers like Huizhou Boot Energy and Shenzhen New Belief Technology are providing high-capacity (up to 22.5Ah) 4680 cells with certifications for global markets.

The attached file contains the complete list of 4680 cell suppliers with detailed production capabilities and contact options.

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