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 Follow Can I wear ZeCircle2 while swimming / showering ZeCircle2 is not charging, no battery indicator shows up? ZeCircle2 screen remains stuck on the battery icon, what can I do ? How can I upgrade my ZeCircle2 with the latest firmware available? What do the S/N and D/N mean ? Where can I find them?