You might be right. I am positive that I saw a post stating that the low battery alert could be turned off but also changed from 17% to 1, 5, 10, 15%. But the below from ProVape doesn't mention anything other than on/off. Weird.
P3 Software Update V39 Now available.
We recommend that all P3
devices upgrade to the latest version.
This release has the following improvement:
Battery management improvements and bug fixes.
Profile memory loss after battery removal fixed. Some users reported losing their settings when removing the battery.
Low Battery Alert On/Off option added.