I want a thick clunky device without a screen that can run for 4-7 days without charging. Then i want 1) a normal size device, 2) a tiny one and 3) a tablet. These should be terminals, little more than a screen, a battery and some radio to communicate with the herefore mentioned brick that does all of the heavy lifting. It needs only 20-30 meter range. The brick may also feature a webserver captive portal with public…
> I want a thick clunky device without a screen that can run for 4-7 days without charging. That's a landline phone, you can buy it for cheap.
And, this is trivially satisfied with a $10 extension cord.