I'm not sure if this is a drawback, maybe it should be, but I did not understand how to charge the heating for glow plugs. Got pros: Multifunctionality. Almost everything can be charged. A wide range of adapters, you can definitely find what you need. But if suddenly there was no necessary adapter, there are crocodiles. Cons below: It is quite difficult to figure out right away what is needed. Without the instructions, you can’t start using it in any way, while the instructions must be read carefully enough. If you have not used it for a long time, you will have to read the instructions again to remember what's what.
I added some photos to give others a better understanding of my experience.