How long does the battery last after a full charge? August 07, 2015 13:13 Updated Between 3 to 5 days, depending on your daily usage. Related articles How long should I charge ZeCircle for the first time ? Can I charge my ZeCircle with a wall plug ? After I remove ZeCircle from its charger, ZeCircle screen remains stuck on the battery icon? Can I wear ZeCircle while swimming / showering? How can I upgrade my ZeCircle with the latest firmware available?