What is the battery life of ZeFit³ ? October 19, 2016 21:17 Updated The battery life of ZeFit³ is up to 5 days after a full charge. Battery life varies by use and settings. Related articles Can I wear ZeFit³ while swimming / showering ? It seems the number of steps I have done is inaccurate, what can I do? ZeFit³ is not charging, no battery indicator shows up? How to reset manually my ZeFit³ ? How to check the memory status of my ZeFit³ ?