RE: RC Tank F.A.Q.
Q: How do I extend the runtime of my Spektrum DX6 transmitter without buying a new battery pack?
A: You can more than double the runtime of the Spektrum DX6 by installing a more efficient voltage regulator, which cost around $15. Check out this link for more info: [link=http://www.dimensionengineering.com/appnotes/spektrum_mod/spektrum_mod.htm]Improving the runtime of the Spektrum DX6[/link]