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Amprius Ships First 450 Wh/kg, 1150 Wh/l Battery Cells

February 11, 2022 — Amprius Technologies announced the shipment of the first commercially available 450 Wh/kg, 1150 Wh/L lithium-ion battery cells. They will be used in a new generation of High-Altitude Pseudo Satellites (HAPS). According to the company, those are the first commercially available battery cells with such a high energy density.