Performance powered by silicon anode lithium-ion batteries
Groundbreaking battery technology that pushes the boundaries of innovation
Contact Us
Latest News
Amprius Ships High-Performance SiCore® Cells to Multiple Drone Customers from U.S. Pilot Line
Read Story
TRUSTED BY OVER 100 PARTNERS
Amplified impact
Max range
range
Our dedicated team consistently delivers breakthroughs - setting new standards in battery technology.
0%
longer running time
0C
discharge rate
0% in 6 MIN
charge time
-30°C to 0°C
WIDE OPERATING TEMPERATURE
>0 CYCLES
full depth of discharge
What We Do
Manufacturing high-energy density batteries at scale
We’re transforming how batteries power the world. By enabling longer range, faster charging, and higher payloads, we’re driving the future of electric mobility — across air, land, and sea.
Industries
Built for high-performance applications
Prioritizing performance and reliability, our battery cells effectively power diverse industries.
Solutions
Unmatched performance.
Unparalleled run time.
We use the best material for energy density: silicon. Packing more power into a compact form, our battery cells pave the way for advancements across electric vehicles, aircraft, drones, wearables, and future markets.
Explore Products
MANUFACTURING
Global manufacturing capacity
With our MWh-scale manufacturing site in Fremont and GWh-scale partnerships in China — soon expanding across Asia and Europe — we’re ready to meet the growing demand from leading industries.
Explore Manufacturing
Industry feedback
Learn how our batteries redefine what's possible.
"Collaborating with forward-thinking partners like Amprius has been pivotal in positioning PHASA-35 as the leading solution for persistent, wide-area surveillance and communications from the stratosphere."
Dave Corfield
CEO, Prismatic
"In Amprius, AALTO has a highly valued partner that continues to produce ultra-high-energy density batteries that are critical to our success, enabling improvements in nighttime operations and extending coverage latitude."
Pierre-Antoine Aubourg
Chief Technical Officer, AALTO
Let's connect
Discover how silicon anode batteries can boost your application performance.
Get Started
