The battery's seem to have minimal larger dimensions, at least sit the original battery in the charger's a little looser.
Everything important is (chargers with plugs for the socket & Auto, 2x 1180mAh battery's).
I could only compare with 2x 1050mAh battery. This original battery's have 88min / 90min persevered, the Wicked Chili battery's brought it on 99 and 102min. So not the 30% increase will be beworden between H3 and H3 + BE BE GoPro, which lies at _NICHT_ Wicked Chili, but the fact that GoPro has changed the software between the two Cam's. There is an increase of almost 12-13%, until here so full marks.
A deduction of points there, because the tape that is available to pull out the battery from the cam, each time solves the battery. It remains only because together where one is squeezing with your fingers.
The GoPro has better resolved, there remains rock solid on the battery's.
So all in all 4 out of 5 stars.