With that amount of hot glue I bet you could drop it down the stairs, it's like a block in there. Even if the bond breaks down there are 4 screw posts on one axis and the atty connector on the other, and I would think the block of glue is going to take a awhile to melt away.
As I said if it's the hot glue that's holding in the atty connector, and not a
very tight press fit it won't be long at all till it starts to give. I wasn't talking about it 'melting away', I said
'break the bond', big difference. The amount of hot melt in the box makes no difference, only the rather small amount that's actually on the connector. And if does become loose and
if battery problems occur, that point may well be the path of least resistance. I would assume that most folks would want the thing in their mouth to be as firmly fastened as possible.
Using hot melt, which cannot stand up to
e-liquid either,
and on something that gets hot is not the route I'd choose.
Your mileage may vary.