0001794621 2022-04-01 2022-04-01 0001794621 qngy:CommonStock0.0001ParValuePerShareMember 2022-04-01 2022-04-01 0001794621 qngy:WarrantsEachWholeWarrantExercisableForOneShareOfCommonStockAtAnExercisePriceOf11.50PerShareMember 2022-04-01 2022-04-01 false 0001794621 8-K 2022-04-01 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