0001794621 2022-02-08 2022-02-08 0001794621 us-gaap:CommonStockMember 2022-02-08 2022-02-08 0001794621 us-gaap:WarrantMember 2022-02-08 2022-02-08 0001794621 8-K/A true 2022-02-08 QUANERGY SYSTEMS, INC. DE 001-39222 88-0535845 433 Lakeside Drive Sunnyvale CA 94085 408 245-9500 false false false false Common Stock, $0.0001 par value per share QNGY NYSE Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share QNGY WS NYSE true false On February 8, 2022, Quanergy Systems, Inc., a Delaware corporation (the “Company”) (f/k/a CITIC Capital Acquisition Corp. (“CCAC”)), filed a Current Report on Form 8-K and Amendment No. 1 on Form 8-K/A (together, the “Original Report”) to report the Closing and related matters under Items 1.01, 2.01, 3.02, 4.01, 5.01, 5.02, 5.06 and 9.01 of Form 8-K. This Amendment No. 2 amends the