The VT-4 can operate for the following durations depending on the type of batteries used.
| Rechargeable Ni-MH battery | Alkaline | |
|---|---|---|
| Phantom power: Off | Approx. 7 hours | Approx. 6 hours |
| Phantom power: On | Approx. 5.5 hours | Approx. 4 hours |
These can vary depending on the specifications of the batteries and the conditions of use.