Engineering3d ago
How Meta Engineered Ultra-Narrow Batteries for AI Glasses
Meta engineers developed ultra-narrow steel-can batteries for its smart glasses, such as the Ray-Ban Meta and Oakley Meta Vanguards, by rethinking the battery design. They replaced traditional "jelly roll" electrode architecture with die-cut stacked layers, achieving lower impedance and increased energy density. The resulting batteries enabled longer runtime and enabled the addition of features like cameras, speakers, and AI workloads in a compact form factor.
SocialScale
1 min