Amprius Ships New High-Performance 6,3Ah Silicon Anode Cylindrical Cell to Fortune 500 Company
Delivers 25% more capacity than 5Ah 21700 cells with higher energy density and long cycle life
FREMONT, Calif.–(BUSINESS WIRE)– Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in next-generation lithium-ion batteries with its Silicon Anode Platform, today announced it has shipped its new 6.3Ah 21700 SiCore™ cell to a Fortune 500 company in the Light Electric Vehicle (LEV) sector for evaluation. The new cell sets a new standard in the industry for energy density in this widely used format.
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With an energy density of 315 Wh/kg, the 6.3Ah SiCore cell builds on Amprius’ proven technology, delivering over 25% more capacity than a standard 5.0Ah 21700 cell while maintaining a high-power 3C discharge rate. It achieves 800 cycles at 80% depth of discharge (DOD), extending battery lifespan and lowering replacement costs. Designed for seamless integration, its drop-in compatibility allows manufacturers to boost performance without the need for costly system redesigns.
Dr. Ionel Stefan, CTO of Amprius Technologies, said:
Our new 6.3Ah 21700 SiCore cell has attracted strong interest from leading OEM manufacturers because it delivers a significant improvement in battery performance,
“With commercialization of this cell set for this year, we are excited to offer a high-capacity, long-lasting solution that meets the growing demand for more efficient energy storage solutions across multiple industries.”
While the initial focus for this 6.3Ah SiCore cell is on the LEV market, the high energy density and extended cycle life make it well-suited for a range of applications, including fixed wing aviation and AI applications such as robotics.
Amprius has secured manufacturing partnerships to support large-scale production, ensuring GWh-scale capacity to meet growing demand. As the need for high-performance energy storage continues to rise, Amprius remains focused on delivering advanced battery technology to power the future of electrification.
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Amprius Ships New High-Performance 6,3Ah Silicon Anode Cylindrical Cell to Fortune 500 Company, source
