A box for storing a VIFLY WhoopStore 1s LiPo charger (https://www.viflydrone.com/whoopstor.html) together with a short cable (the included USB-C cable or similar).
The lid comes in two versions, with and without text ("VIFLY WhoopStor") on top.
Prints well with 0.2mm layer height.
The author hasn't provided the model origin yet.