New DJI battery – Are they about to reveal a small folding quad?

A smallish, DJI 3S battery of 3830 maH has arrived on Chinese forums. It might be real, and if so what's it for? It's not going to be an FPV racer as the better ones now run 4 and 5S batteries. My money is on a small follow me folding quad with some sort of ["]