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Amprius secures purchase orders from three electric aviation companies for custom 450 Wh/kg platform cells

Amprius Technologies has signed purchase orders with three electric aviation manufacturers for custom cells from the company’s 450 Wh/kg ultra-high-energy density platform for battery pack development and qualification.

The custom cells from the 450 Wh/kg platform were developed in collaboration with Amprius’ strategic customers to address their unique HAPS (high-altitude pseudo satellite) qualification requirements and enable them to operate in highly challenging environments.


With greater energy density and longer cycle life than the previous 400 Wh/kg platform, the new 450 Wh/kg cells are the only known commercially available batteries of their kind that can provide enough power and endurance for HAPS overnight stratospheric flight applications and enable higher payloads and/or operation in all seasons or at higher latitudes.

The aviation industry continues to work diligently to enhance cell energy density and minimize aircraft weight to meet their flight objectives. The growing demand for these high-energy cells reflects the increasing need for batteries that offer industry-leading performance for electric mobility applications.

Commercialization of these new cells is scheduled before the end of the year. These new custom cell form factors are positioned to improve performance in aviation applications, including both high-energy drones such as HAPS, as well as high-energy storage applications for the military.


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