Amprius Technologies (NYSE:AMPX), a leader in lithium-ion batteries, has secured a purchase order from an eVTOL (electric vertical take-off and landing) manufacturer for custom silicon anode cells. The company's advanced cells will serve all major segments of the growing aviation market for electric mobility. The agreement is contingent upon the successful qualification of sample custom cells to be delivered later this year. Following successful qualification, the eVTOL manufacturer would receive an increased number of custom samples in early 2024 for their demonstrator integration.