hotspot overheats

[robertstrauch]

I tried the cheapest hotspot.  It didn't work well, and the battery swelled.  I found a MiFi, it works better, but the battery swells.  Is there a good hotspot that can work plugged in without a battery?  These go off when I take out the battery.

[robertstrauch]

Ok, chatted with rep.  Apparently they don't make one.  Now I need to know how I can wire it to bypass the battery.

[robertstrauch]

https://www.youtube.com/watch?v=GfHnvyB7V0s