Summary
You learned that running on batteries can quickly become a complicated task if you do not understand Ohm's law and some fundamental characteristics of batteries.
Using this tested design, you should be able to scale your requirements a lot more easily now, but I encourage you to always do more research when changing certain aspects of this design.
If in doubt, find a well-recommended RC hobby shop; the principles they use in this type of equipment is exactly the same here, and you will have all the parts and knowledge right there.
In the next chapter, you will learn how to install Windows IoT and create a simple Universal Application in Visual Studio Community.