Hmm.. interesting, Opjose. I wonder why some folks would rely on power ratings because that's only part of the equation. I, personally, always thought it was the current capabilities (max operating amperage) that was one of the most important parts of selecting an ESC. That asssumes that current is independent of voltage, meaning that a 30 amp ESC will do so with 2 or 3 cell IiPo packs, which, of course, it is not. Power factor is ok if it is taken in the proper context. I've never looked at the "power"rating, just the amp ratings and have pretty much used 3 cell packs. (my "Bug" http://www.lightflite.com/ uses two cell LiPo's but that's the exception to my collection).

And, I've not thoroughly read the manual for the Eflite ESC's, but have used them with more than two servos without problems. Now I must admit that I am more of a glow person and fly electrics only on occasions.

CGr