The Highest Energy Density Lithium-ion Batteries in the World.

100% Silicon nanowire*
battery technology

Employing our patented, silicon nanowire anode, Amprius Technologies provides up to 100% improvement compared to standard lithium-ion batteries.

Higher energy density and longer endurance


Amprius Technologies' 100% silicon nanowire* batteries have helped set multiple endurance records.

EVs & Autonomous

Amprius batteries provide more run time and much longer range.


Providing 100% silicon nanowire* cells for battery packs, enabling much longer mission time.

Amprius batteries

Game-changing performance in energy density and cycle life

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