The E-flite 5000mAh 6S 22.2V 50C LiPo is perfect for ducted fan airplanes such as the Habu 32 DF and the F-4 Phantom 32 DF, as well as for 60-90 size electric aircraft and 700-class helicopters. E-flite 50C Li-Po batteries provide the extra punch needed for the most demanding 3D maneuvers, while still providing a lightweight power solution.