Most of them have one soldered and one replaceable ram module. And so far (t440s, t450s, t470s) I could always easily replace the battery. No glue, just with a

Most of them have one soldered and one replaceable ram module. And so far (t440s, t450s, t470s) I could always easily replace the battery. No glue, just with a screwdriver and a prying tool to open the case.