Hi @CBM1974 the more features you use, the faster the battery drains. If you get lots of texts and calls, use Alexa, GPS and other functions, it will use your battery. Click to learn how to extend your battery life. When I first got my Fitbit, I went through the battery life faster because I was always tapping it, checking my steps, setting up alarms, etc. Give yourself some time to get used to your Sense. We'll be here for you.