A simple way to recycle some disposable vapes and use batteries from them.
You need only two M2x4mm screws and powerbank module you can buy it on amazon.
https://www.amazon.com/Converter-Step-Up-Lithium-Charging-Protection/dp/B09GHT9MC2
Always remember to be careful while working with lithium cells!
The author marked this model as their own original creation.