Originally Posted by
BobbyG
My Contour Roam 2 gets about 4.5 hours. You might be able to use a USB cell phone battery booster to boost your camera time.
+1
I run my Hero4 Session with an external battery, and have consistently gotten 5 1/2 hours of recording time, filling to the max a 64GB microSD card....and the battery has had plenty of power to spare.
