RE: 4.8 V to 6.0 V
I'm with CG. I have had my DX-7 for some time now. I have never had a brown out problem. I fly it all the time, both outdoors and indoors. I do have a 6v system in all of my planes. I also have a 2500 mAh battery in all of my transmitters. Futaba, airtronics and DX-7.