Don't want to spend big bucks on expensive, large-capacity, V-Mount batteries? Utilizing the power of 2 NP-F style batteries, the ZJ-01 Battery Adapter allows you to power a variety of products; from LED lights to cameras rigs, for hours at a time. It's a perfect solution for powering Fotodiox Pro LED Studio Lights when on the go. Whether utilizing NP-F550 or NP-F750 batteries, this adapter is an inexpensive alternative to power your gear. You can have multiple, inexpensive NP-F batteries on stand-by to ensure you never run out of power.