Game-Changing Performance

Energy density, power density, cycle life, charge rate, and safety

The All-New Amprius 500 Wh/kg Battery Platform is Here

FREMONT, Calif. – March 23, 2023Amprius Technologies, Inc. is once again raising the bar with the verification of its lithium-ion cell delivering unprecedented energy density of 500 Wh/kg, 1300 Wh/L, resulting in unparalleled run time. At approximately half the weight and volume of state-of-the-art, commercially available lithium-ion cells, the all-new battery cell delivers potential industry-disrupting performance with barrier breaking discharge times.
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Amprius Broadens Product Portfolio with New Commercially Available Silicon Anode Battery Platform – SiCoreTM

The Company announced its all-new SiCoreTM product platform, an expansion of its product portfolio of industry-leading silicon anode batteries targeted to revolutionize electric mobility. In addition to this SiCore product platform, Amprius has also branded its existing silicon nanowire platform SiMaxxTM with its current product range of up to 500 Wh/kg and 1,300 Wh/L energy density.

Discover how we are transforming the electric mobility landscape!

Read how we're powering eVTOL and HAPS, increasing silicon anodes production, and expanding our partnerships.
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Amprius Ribbon Cutting

Amprius celebrates expansion of its state-of-the-art silicon nanowire anode megawatt hour manufacturing line. Over 90 attendees enjoyed key partner presentations on the impact of Amprius’ next-generation technology and an exclusive factory tour for a preview of Amprius’ future.

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Amprius Technologies Selects Colorado for Gigawatt-hour Scale Factory Site
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Silicon Anode battery technology

Highest Energy Density Rechargeable Lithium-ion Batteries in the World!
Employing our patented, silicon anode technology, Amprius Technologies provides up to 100% improvement compared to standard lithium-ion batteries.

Leader in high-energy lithium-ion batteries leveraging our patented silicon anode platform Amprius utilizes existing commercial manufacturing processes for scalability – cathode and assembly processes are unchanged; only the anode manufacturing line is changed.


Amprius Technologies' silicon anode batteries have helped set multiple endurance records.

Electric Vehicles

Amprius batteries provide more run time and much longer range.


Providing market leading silicon anode cells for battery packs, enabling much longer mission time.