Cycling Gear Thoughts about charging mobile phone while riding your bike

[CycleKimi]

Hi,
Frequently I find myself on a day-trip of cycling and my phone battery runs out. I thought about just using powerbanks, but in reality I forget to charge them or forget to take them along at all. So I'm trying to develop a solution for this and I would like to have some other opinions on this issue. The idea is to fit an induction dynamo to the bike for easy installation. This feeds the power into a converter where one can plug in any device using USB-C. In the attached picture you can find some more information about the concept.

https://imgur.com/a/yfC0rA2

What are your thoughts on this? How do you handle this problem and would you use such a product or does someone already have a similar device fitted to your bike?
I'm looking forward to hear about your opinions.

 

[Unchained]

Stop at a coffee shop, concentrate on my ride, phone is 99.9% of the time not w me or in jersey pocket. Never on bars. All cycling devices associated with phone are connected or controlled primarily using Bluetooth, something wireless.