Use this Garmin USB cable to power your device. The cable has an input voltage of 8V to 58V and an output of 5V at 500 mA.
Compatible Devices:
Approach® Series
GLO™
GTU™ 10
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.