The Batpac gives you power for the Profoto D1 monolights even when shooting far away from any mains socket. First of all it is specially designed for handling sophisticated high power units like Profoto's D1 flashes; but it can be used with previous Profoto Compact units and Acute2 flash generators as well.
The BatPac has advanced safety functions and is very easy to use. It's innovative design delivers power with exceptional stability.