Originally Posted by sandos
Flew a 4s for the first time on my 450. I will probably slowly shift to 4s, because it now has awesome POWER! Wow, the climbouts are like twice the speed compared to 3S. Well ok, maybe not but it is much faster. It also seems to drain the battery real quick though
Now I "only" need to finally get the tail to never let go, which it does sometimes. I also really need to know if my one-way bearing is up to the task, because something is slipping under load. I'm guessing the belt, but I'm still not sure.
I'd look in to 6S before shifting to anything. Seems to be fairly common (long topic on helifreak about running 6S on 450 pro). Some dude even had 8s on his.