Hello, I am 18 years old and I will need your help. I have a business idea but I would like to know your opinions. I think that each of us has powerbank, but not everyone uses it because it is usually unloaded or we forget about it. I would like to produce powerbank which is also a powerbank. It would look like an ordinary phone charger that would have built-in rechargeable batteries. connected to the socket, would charge the batteries and telephone at the same time. I am asking for a sincere opinion and best regards
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