Yup, mine is stock too, however with the power sapping DS610 servos I was experiencing glitching as the BEC could not keep up with the power requirement. This happened whenever I performed hard fast positive/negative collective.
Fortunately my Optima 9 RX has a 35V SPC port (Supplementary Power Connection) so with the help of some top blokes on Helifreak got a harness running direct from the battery to the RX. Cool thing is the my A9 has a low voltage warning which I have set to 23.4V or 3.9V/Cell, alarm sounds, I bring the X5 in for landing - GREAT!
G.
Fortunately my Optima 9 RX has a 35V SPC port (Supplementary Power Connection) so with the help of some top blokes on Helifreak got a harness running direct from the battery to the RX. Cool thing is the my A9 has a low voltage warning which I have set to 23.4V or 3.9V/Cell, alarm sounds, I bring the X5 in for landing - GREAT!
G.


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