This is quite simply the fastest and toughest battery pack on the market. The Pro-B4 is a battery pack that delivers studio performance on location.
The Pro-B4 is a state of the art battery pack that in some regards outperforms even the best studio packs out there. It’s a revolution on location in that it can freeze motion at 1/25,000 a second and fire up to 30 flashes in a second.
