What is the battery life of ZeCircle2 ? November 11, 2016 16:47 Updated The battery life of ZeCircle2 is up to 5 days after a full charge. Battery life varies by use and settings. Related articles ZeCircle2 screen remains stuck on the battery icon, what can I do ? Follow Can I wear ZeCircle2 while swimming / showering How can I upgrade my ZeCircle2 with the latest firmware available? First use of my ZeCircle2 How do I view the missed calls received on my ZeFit³ ?