The battery has not been delivered. Moreover, it is not a compatible battery with controlled quadicoptère. (Helicopter Battery 3.7V 500mAh for quadcopter Hubsan X4 H107 H107L H107C ... SYG), instead of a battery for Syma x5C New Version 2.4G 6 Axes remote controlled helicopter, UFO RC ... SYG. I ask you to cancel this order and replace it with a compatible.Merci betterie