I flew the FW with the new parkzone battery today and it performs VERY well. I flew for 18 minutes with no problems. I actually got tired of flying it. Later I charged it up and put it up for what seemed like a really long time. Loops, rolls, low passes. Lots of manuvers with full power. It also gave the FW a clear gain in performance. Hand launch was easier and it had more vertical performance than the stock battery. Anyway, A+ for now. We will see after 25 or so cycles if its still performing well.