Dangbei N2 mini: Compact beamer of the variety "good and cheap"?

With the N2 mini, Dangbei brings a compact beamer to the market at a reasonable price. But can the projector also score technical points? This is not a fake 4K beamer, which would "smuggle" its ultra-high resolution with pixel shifting. Rather, the Dangbei N2 mini stands for a very compact beamer with 1080p resolution. This makes the device, which weighs only 1.72 kg, then quite portable. However, no battery operation is provided, you have to co…