Originally Posted by
RCGaryK
Chemical type isn't the issue, it's all about the voltage. I don't know what the exact voltage limit is but I know, speaking with the techs themselves, that LiPo is strictly beyond the voltage handling capabilities of this radio.
The LiFe battery nominal voltage is 6.6.
I use the DX3R anyway. I don't know if the circuitry will handle higher voltage and it really doen't matter too much as a set of duracells will last about 13-14 hrs anyway.