Unfortunately it happens and I have had 2 different batteries swell on my Zbook 15 G3 which is now 4 or 5 years old. It affects different models differently. On mine it put a lot of upward pressure on the screws so that the back cover literally popped open when I unscrewed a couple of them. On models where the access panel slides in a channel I can see where it would freeze the panel in place and prevent its sliding. Thanks for the report.
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