Garmin's New Fitness Tracker Has a 'Body Battery' Feature That Tells You When You're Too Tired to Exercise

Wimping out of a tough gym session is about to get a lot easier.

from gizmodo http://www.gizmodo.co.uk/2018/08/garmins-new-fitness-tracker-has-a-body-battery-feature-that-tells-you-when-youre-too-tired-to-exercise/