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Amprius unveils 500 Wh/kg battery cell for unmanned aviation

Wed, 02 Sep 2026 08:31:04 -0400

Amprius Technologies (NYSE: AMPX) announced a second-generation SiCore 500 battery cell rated at 500 Wh/kg, targeting long-endurance unmanned aviation applications including High-Altitude Platform Stations and fixed-wing drones.

According to the company, the cell delivers 500 Wh/kg at a 1C continuous discharge rate and is designed to be produced on conventional lithium-ion manufacturing equipment. Amprius said previous cells it developed that reached or exceeded 500 Wh/kg relied on specialized processes and were never produced at commercial volume.

Commercial availability is expected in Q4 2026. Initial production is planned at the company's Fremont, California facility, with volume production intended to scale through existing global

Amprius Introduces SiCore®500 – High Energy Density Cells for Unmanned Aviation

Wed, 02 Sep 2026 08:30:00 -0400

Second-generation SiCore reaches 500 Wh/kg on conventional lithium-ion manufacturing equipment; commercial availability expected in Q4 2026

FREMONT, Calif.--(BUSINESS WIRE)-- Amprius Technologies ("Amprius" or the "Company") (NYSE: AMPX), a leader in silicon anode lithium-ion batteries, today announced a new 500 Wh/kg SiCore® cell, designed for long-endurance aviation. The cell delivers 500 Wh/kg at a 1C continuous discharge rate and can be produced on conventional lithium-ion battery manufacturing equipment.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260902319547/en/

Second-generation SiCore cell
</article>
<article>
<h1>Amprius Introduces SiCore®500 – High Energy Density Cells for Unmanned Aviation</h1>
<p>Wed, 02 Sep 2026 08:30:00 -0400</p>
<p class=

Second-generation SiCore reaches 500 Wh/kg on conventional lithium-ion manufacturing equipment; commercial availability expected in Q4 2026

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260902319547/en/

Second-generation SiCore cell
</article>
<article>
<h1>Amprius Sets September 2026 Events Schedule</h1>
<p>Tue, 01 Sep 2026 08:30:00 -0400</p>
<p> FREMONT, Calif.--(BUSINESS WIRE)-- <a target=

Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in silicon anode lithium-ion batteries, today announced its schedule for September appearances and activities.

Commercial UAV Expo 2026
Date: September 1-3, 2026
Location: Caesars Forum; Las Vegas, NV
Event Details: Amprius will exhibit at booth 1635. Members of the Amprius Business Development team are available for one-on-one meetings. If you are interested in scheduling a meeting with the business development team, please contact sales@amprius.com.

Strato-Ops 2026 (Stratospheric Operations

Amprius Sets September 2026 Events Schedule

Tue, 01 Sep 2026 08:30:00 -0400

FREMONT, Calif.--(BUSINESS WIRE)-- Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in silicon anode lithium-ion batteries, today announced its schedule for September appearances and activities.
Commercial UAV Expo 2026
Date: September 1-3, 2026
Location: Caesars Forum; Las Vegas, NV
Event Details: Amprius will exhibit at booth 1635. Members of the Amprius Business Development team are available for one-on-one meetings. If you are interested in scheduling a meeting with the business development team, please contact sales@amprius.com.
Strato-Ops 2026 (Stratospheric Operations

Form 4 Amprius Technologies, For: Aug 21 Filed by: Sun Kang

Tue, 25 Aug 2026 17:23:00 -0400
si-local-file:///var/storage/secattach/20260825/26975774.html

Form 4 Amprius Technologies, For: Aug 21 Filed by: Sun Kang

Tue, 25 Aug 2026 17:23:00 -0400
si-local-file:///var/storage/secattach/20260825/26975774.html

Form 144 Amprius Technologies, Filed by: Stefan Constantin Ionel

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975763.html

Form 144 Amprius Technologies, Filed by: Stefan Constantin Ionel

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975763.html

Form 144 Amprius Technologies, Filed by: Stefan Constantin Ionel

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975763.html

Form 4 Amprius Technologies, For: Aug 21 Filed by: Stefan Constantin Ionel

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975769.html

Form 4 Amprius Technologies, For: Aug 21 Filed by: Stefan Constantin Ionel

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975769.html

Form 144 Amprius Technologies, Filed by: Sun Kang

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975772.html

Form 144 Amprius Technologies, Filed by: Sun Kang

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975772.html

Form 144 Amprius Technologies, Filed by: Sun Kang

Tue, 25 Aug 2026 17:22:00 -0400
si-local-file:///var/storage/secattach/20260825/26975772.html

Form 144 Amprius Technologies, Filed by: Stepien Thomas M

Tue, 25 Aug 2026 17:21:00 -0400
si-local-file:///var/storage/secattach/20260825/26975758.html

Form 144 Amprius Technologies, Filed by: Stepien Thomas M

Tue, 25 Aug 2026 17:21:00 -0400
si-local-file:///var/storage/secattach/20260825/26975758.html

Form 144 Amprius Technologies, Filed by: Stepien Thomas M

Tue, 25 Aug 2026 17:21:00 -0400
si-local-file:///var/storage/secattach/20260825/26975758.html

Form 4 Amprius Technologies, For: Aug 21 Filed by: Stepien Thomas M

Tue, 25 Aug 2026 17:21:00 -0400
si-local-file:///var/storage/secattach/20260825/26975759.html

Form 4 Amprius Technologies, For: Aug 21 Filed by: Stepien Thomas M

Tue, 25 Aug 2026 17:21:00 -0400
si-local-file:///var/storage/secattach/20260825/26975759.html

Form 144 Amprius Technologies, Filed by: Stepien Thomas M

Mon, 24 Aug 2026 16:08:00 -0400
si-local-file:///var/storage/secattach/20260824/26968154.html

Form 144 Amprius Technologies, Filed by: Stepien Thomas M

Mon, 24 Aug 2026 16:08:00 -0400
si-local-file:///var/storage/secattach/20260824/26968154.html

Form 144 Amprius Technologies, Filed by: Stepien Thomas M

Mon, 24 Aug 2026 16:08:00 -0400
si-local-file:///var/storage/secattach/20260824/26968154.html

Form 8-K Amprius Technologies, For: Aug 07

Thu, 13 Aug 2026 16:50:00 -0400
si-local-file:///var/storage/secattach/20260813/26922341.html

Form 8-K Amprius Technologies, For: Aug 07

Thu, 13 Aug 2026 16:50:00 -0400
si-local-file:///var/storage/secattach/20260813/26922341.html