The Batman Gadgets (and Their Real-Life Equivalents)

 https://www.cbr.com/batman-gadgets-real-life-equivalents

Of course Batman's tech has to be cool.

https://www.hindustantimes.com/hollywood/on-your-radar-a-real-life-guide-to-batman-s-tech/story-S032claxuRfs0m3WghAD1I.html

It also has to be very functional and reliable.

https://moneyinc.com/batman-gadgets

https://www.youtube.com/watch?v=IQck0JuSHnM

https://www.coasttocoastam.com/show/2021-02-12-show

https://therabbitportal.blogspot.com/search?q=Batman