"A full charge can last up to 48 hours, but can vary significantly depending on your settings, usage, and other factors."[1] That doesn't make me optimistic ab

"A full charge can last up to 48 hours, but can vary significantly depending on your settings, usage, and other factors."[1] That doesn't make me optimistic about using the GPS for very long. [1] http://www.microsoft.com/microsoft-band/en-us/support/hardware/battery-life-tips http://www.microsoft.com/microsoft-band/en-us/support/hardwa...