FAQ GLOW HOW DO I KNOW IF MY GLOW IS LOW ON BATTERY? SEE ALL QUESTIONS HOW DO I KNOW IF MY GLOW IS LOW ON BATTERY? When in use, Glow will blink three times periodically to let you know it’s low on battery. You can also see a Glow’s battery state in the detail view in the app. YOU MAY ALSO LIKE How do I know if my Glow is charging?