Wire collection board / hub assembly board / Line Collect Box / Collarbox - whatever you wish to call it.. With JST XH/XHB connections.
Typically required in event of failure from short circuit.
Genuine Teverun/Blade factory spare.
Note, this is not a the APP IVCU Box which is used in Teverun Mini, Blade GT Series II, Teverun Fighter 10/10+ and newer (2023) Fighter Series (including Fighter Supreme).