RE: Lithium Polymer batteries
Hi,
LiPo and LiIon battery have developed greatly in the past few years and these batteries are now very reliable. 7.4V LiIon can be used to supply power to the ECU. I am using 7.4V LiPo on my jets but I have seen 7.4V LiIon in operation with no problem.
Cheers,
Kraivuth S.