On the previous article: https://thearmoredpatrol.com/2017/01/21/wows-0-6-1-equipment-changes/

These enhanced consumable equipments will take the other upgrade slots such as Concealment upgrade, Propulsion modification mod etc…

It’s a part of a “new/rare” Supercontainer drop, there is no way to obtain it beside Containers/Missions/Events. Chances to drop Signal flags and Consumables will be decreased by 60% upon introducing “Enhanced consumable equipments”.