Originally Posted by
big_G
To the op....buy a 40 or 50C pack and try it. All our guessing and numbers crunching can't hold a candle to real data. Worst case is your out 2 batteries. They will make great practice packs anyways! Let us know how you made out.
Flight testing is too variable for comparisons IMHO
Thrre is another option...
Use a Powerlab (or other charger with capacity/cycling capability) and cycle a 25C and 50C pack of the same cell count and capacity and compare results