Both the Zaila and the Varsa can run on standard camera batteries. This adapter allows you to use any V-Mount style of battery to power your Nila fixtures. It also has a key for hanging it from a Varsa or Zaila yoke.
We make no claims about how much time you will get on your particular batteries. accvery battery is different with different usage and charging patterns. Most batteries we've tested will power a Zaila for around four hours and a Varsa for around one hour.