This battery is used with the Blade mSR, Nano CP X, mCX and mCX2 helicopters, as well as the E-flite UMX ASK-21, HobbyZone Champ, and ParkZone Ultra Micro P-51, J-3 Cub, Sukhoi, Ember, Night Vapor, Pole Car, T-28 Trojan, and Spitfire airplanes.
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