v3.22.2.2
Cover Page
9 Months Ended
Sep. 30, 2022
Document Information [Line Items]  
Document Type S-1/A
Amendment Flag false
Entity Registrant Name AMPRIUS TECHNOLOGIES, INC.
Entity Central Index Key 0001899287
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false