How long does it take to fully charge PIE? Bagel Labs August 07, 2018 08:43 Updated Follow PIE takes around 2 hours to fully charge with an average 5V DC adapter and the included micro USB charging cable. Related articles How long does the battery last? Can I share (or export) data to somewhere else? Can the measured data get connected to other healtcare app services (Apple Health, MyFinessPal, etc.)? Does PIE have an internal memory to save measurement data? Comments 0 comments Please sign in to leave a comment.