How can I tell if the smartwatch is charging? A lightning bolt will be visible on the watch screen. You can also swipe down to see a lightning bolt next to your battery percentage. Additionally, a circle indicator will appear on the screen show the percentage of charge. Related articles How do I charge my smartwatch? How do I change the order of the apps in the menu on my Smartwatch? How do I charge my eco-drive watch? I'm having trouble installing updates or getting an error when updating my watch. What should I do?