voltage cutoff problem mmm v3
 

just got mamba monster v3 and seems to be something wrong with voltage cutoff ive tried it with both my 3s and 5s bat and it doesnt arm when set at 16.5 or 9 with either battery but if i disable cutoff it works fine and arms no prob. i know for a fact my batts are fully charged, will i have to send this in?

Have you tried using the Auto cutoff setting?

I am not able to set custom cutoffs for my Lipo's either but the Auto cutoff setting works fine.

I had the same thing with my new V3. Just flash it with the newest firmware, (check the v1.20 sticky at the top of the section), and the custom cut off should work fine.

yes that did it works fine