Revenue - Schedule of Composition of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Other revenue – government grants	$ 200	$ 0	$ 500	$ 0
Total revenue	15,067	3,345	26,351	5,681
Sale of battery products
Disaggregation of Revenue [Line Items]
Revenue	14,542	3,345	25,526	5,681
Customization design services
Disaggregation of Revenue [Line Items]
Revenue	$ 325	$ 0	$ 325	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

Amprius Technologies, Inc. 10-Q