Garmin's new Edge 850 cycling computer moves the company’s mid-sized, touchscreen computer toward a brighter, more modern, and more smartphone-like experience, even if that means rethinking battery ...

While using your phone’s sat-nav would cause it to conk out long before you’d had a chance to stock up on Candy Kahuna refills, the eTrex Touch’s battery lasts up to 130 hours with the GPS turned on.