tech news•Mon, September 21, 2026•4 min read

Enovix Is Changing the Smartphone Battery Game With New AI-1 Tech

Enovix has begun shipping its new high-density AI-1 silicon-anode batteries to smartphone manufacturers. This breakthrough could revolutionize how devices handle power-hungry AI workloads.

A Major Leap for Battery Density

For years, smartphone users have been forced to choose between sleek designs and long battery life. As internal components compete for space against thinner chassis, battery technology has often plateaued. Now, Enovix Corporation is looking to shatter those constraints with the shipment of its first AI-1 platform batteries.

Designed specifically for modern smartphones tasked with running artificial intelligence locally, these batteries utilize 100% silicon-anode technology. By shifting away from traditional materials, Enovix claims its new units reach energy densities exceeding 900 watt-hours per liter (Wh/L), offering a substantial jump in efficiency.

Built for the Age of Local AI

Running AI models on-device is notoriously power-intensive. Enovix’s AI-1 platform is explicitly engineered to meet these high-power demands. Dr. Raj Talluri, CEO of Enovix, highlighted that the company leveraged its unique architecture—previously perfected for wearable devices—to scale up to the high-power needs of flagship smartphones.

7,350 mAh capacity to support demanding AI applications.
Energy density exceeding 900 Wh/L.
Fast-charging capabilities: 20% in 5 minutes and 50% in 15 minutes.
A complete redesign of internal battery components, including the anode, cathode, and electrolyte.

To move from small wearable batteries to the big, high-power, AI Class batteries, we had to change the anode, the cathode, the electrolyte, and even the stainless-steel constraint and separator.
— T.J. Rodgers, Enovix Chairman

What This Means for Your Next Phone

While these units are currently in qualification testing with a leading smartphone manufacturer, the implications for the broader market are significant. With a target market of approximately 1.2 billion smartphones annually, Enovix is positioning its technology to become the standard for devices that prioritize both performance and longevity.

The transition to silicon-anode batteries marks a departure from the industry’s historical struggles to balance aesthetics with power capacity. As manufacturers look to keep up with the rapid integration of local AI, Enovix’s focus on high-density, fast-charging solutions arrives at a critical juncture for the mobile industry.

Key Takeaways

Enovix has shipped its first AI-1 silicon-anode batteries for smartphone qualification.
The new batteries boast an energy density exceeding 900 Wh/L.
The technology supports high-speed charging, hitting 50% capacity in just 15 minutes.
These batteries are purpose-built to handle power-intensive local AI workloads.
Broader availability of the technology is expected to roll out throughout 2025.

FAQ

What is unique about Enovix's AI-1 batteries?

They use 100% silicon-anode technology, which allows for significantly higher energy density compared to standard lithium-ion batteries.

How fast do these batteries charge?

Enovix reports that the AI-1 batteries can reach a 20% charge in 5 minutes and a 50% charge in 15 minutes.

Why are these batteries designed for AI?

Running artificial intelligence locally on a smartphone requires more power than traditional tasks; the AI-1 platform is designed to handle this increased demand efficiently.

When will we see these in phones?

The batteries are currently in qualification testing with manufacturers, with broader availability expected later in 2025.

What is the capacity of the new AI-1 batteries?

The initial batteries shipped for testing feature a 7,350 mAh capacity.

Sources

Enovix ships first high-density AI-1 batteries to smartphone maker