New answers tagged iphone
I love MapMyRide (I have tried a few others but keep coming back to this ~ if I forget to turn it on or off, etc... it is easy to edit online) I have a USB Charger that I keep my iPhone plugged into while riding (and keep both in a water proof handlebar bag. I am not a bike racer so the bag doesn't bother me) and can go for 20 hours with the external ...
To avoid changing batteries, you could opt to get an external USB battery pack and power it off of that. That way you could get a continuous stream. If you got a big enough battery pack, you would most likely be able to power the iPhone and GoPro off of a single battery pack provided you found one that was big enough.
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