Originally Posted by
rl249
...after that I upload to the gpx file to my mobile phone, I do the cycle ( mostly from memory of mapping it out ) and I stop if i need to.....
What bike computer would be best purely for gps?
You are already using your phone. Use the phone to record your ride.
The app you are using to view the gpx file might have the option to record your ride.
You might consider getting an external battery charger. They are cheap.