GS added weight and flight time?

[cosmonaut]

So I have a phantom 2 I am working on. It came with a gimbal and I added a FPV transmitter and small battery for it so if I also add Ground Station how much will it eat into the flight time?

 

[OI Photography]

None, if you dump the extra battery and wire the FPV transmitter to the power lead from the Phantom. Otherwise, maybe 20 sec or so.

 

[cosmonaut]

None, if you dump the extra battery and wire the FPV transmitter to the power lead from the Phantom. Otherwise, maybe 20 sec or so.

Thanks I'll dump the battery. That's nice to know.