Do you really need one for every device you own? Having it just for my phone is mostly fine. It is possible to configure a chargie to limit charge level based o

Do you really need one for every device you own? Having it just for my phone is mostly fine. It is possible to configure a chargie to limit charge level based on current draw on non-phone devices, but complex, and usually not worth it in my opinion, I only use it for my iPhone.