Here it is, the world’s first independent review of the world’s fastest battery generator. It is the good people at S1 Group in Toronto, Canada who got hold of a Pro-B4 unit and decided to put it to the test by comparing it to its predecessor: the Pro-B3. Here is s short summary:
“It’s built tough and weather resistant, and is capable of banging out the shots all day. Oh I did I say it was fast? Yes it has the fastest recycle of any battery pack we have tested. (Recycle time is twice as fast as the Profoto B3 battery pack, which was the defacto standard up until now.)”
Read the rest of the interview here.