Interesting the adaptation that arises after a need, a need that can be economic or due to acute laziness for not going to buy batteries or put the charger ;), since from Lifehacker I found this little invention that can do us a big favour in some situations. It is a kind of adapter that allows us to use our gadgets with household current (alternating current or AC) instead of batteries, and it is also very simple and applicable to other types of gadget sockets. I leave you with a couple of images that will give you some clues as to what I am referring to:
Please bear in mind that the transformer you use must be of the characteristics required for the gadget in question, otherwise you could damage it.
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I think I've seen something similar before, but this one looks simpler and more concise.
It looks very interesting and quite useful, you never know when you might need it... I'll try it and see if I get it 😀.