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Independent Testing Confirms Enovix AI-1™ Battery as Industry’s Highest Energy Density Smartphone Battery

FREMONT, Calif., Aug. 27, 2025 (GLOBE NEWSWIRE) -- Enovix Corporation (Nasdaq: ENVX, ENVXW) (“Company” or “Enovix”), a leader in advanced silicon battery

articleEnovix CorporationAugust 27, 20254/company/enovix-corp/news/independent-testing-confirms-enovix-ai-1tm-battery-industrys-highest-energy-density
Independent Testing Confirms Enovix AI-1™ Battery as Industry’s Highest Energy Density Smartphone Battery

About this update from Enovix Corporation

[{"type":"text","content":"FREMONT, Calif., Aug. 27, 2025 (GLOBE NEWSWIRE) -- Enovix Corporation (Nasdaq: ENVX, ENVXW) (“Company” or “Enovix”), a leader in advanced silicon battery technology, today announced that Polaris Battery Labs, a global provider of independent battery performance testing, has confirmed the Enovix AI-1TM smartphone battery as the highest energy density cell ever reported for a smartphone. First unveiled in Q2 2025, the AI-1™ platform combines advanced materials, micron-level design rules, and fully automated manufacturing to deliver step-function gains in energy density and charging speed for high-volume consumer applications. Polaris testing results across tested cells for the Enovix AI-1™ smartphone battery include: Average volumetric energy density of ~919 Wh/L – among the highest ever reported for a smartphone batteryFast charging at 3C rates – time reaching 20% charge in 3.8 minutes, 50% charge in 12.3 minutes, and 100% charge in 39.5 minutes “Independent third-party validation of AI-1 is a critical milestone for Enovix,” said Dr. Raj Talluri, President and CEO of Enovix. “It proves that AI-1 is a commercial-ready product that redefines smartphone battery performance. With shipments now completed to a third leading smartphone OEM, this confirmation strengthens our position as we deliver unprecedented energy density and charging performance with a truly differentiated solution.” Doug Morris, CEO of Polaris Battery Labs, added: “Our mission is to provide unbiased, rigorous testing for the world’s most advanced energy storage solutions. The Enovix AI-1 smartphone battery exceeded every validation parameter for energy density and fast-charging performance. The cell performance is exceptional and represents a significant advancement in energy density, specifically targeted at smartphone products.” With AI-1™, Enovix is positioned to capture share in the multi-billion-dollar smartphone battery market with a platform that combines higher energy density, faster charging, and robust cycle life. These advancements enable longer-lasting devices that unlock the next generation of AI-powered consumer experiences. About Enovix Corporation Enovix is a leader in advancing lithium-ion battery technology with its proprietary cell architecture designed to deliver higher energy density and improved safety. The Company’s breakthrough silicon-anode...

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