GoBe2's battery cannot sustain temperatures above 46°С. In order to protect the battery GoBe2 is programmed to shut down automatically in case of overheating. Normally, you can put it on charge and turn it back on after 1 or 2 hours when the device cools down.
If your GoBe malfunctions after an automatic shutdown, please let us know at gobe@healbe.com, we will further troubleshoot the issue.