https://sierramadreresearch.zendesk.com/hc/en-us/articles/4404432113037-Is-it-recommended-to-remove-the-battery-before-compressing-everything-

https://sierramadreresearch.zendesk.com/hc/en-us/articles/4404432113037-Is-it-recommended-to-remove-the-battery-before-compressing-everything-

Either way would work. If you plan to compress the Hot Pocket as small and tight as you can get it, you can do it without the battery in and pack the battery separately if you wish. You may also compress it with the battery inside. No damage can be done to the Power Pack by compression.