The helicopter flew very well 10mn .... Then impossible to reload the ... When the helicopter is connected to the grotesque port, the load is, but once you disconnect it, nothing. Someone he had the same problem? I suppose it is the battery (I had been careful not to over charge as indicated in the manual). I'll return it to sav very quickly. Otherwise, the handling is very simple, very stable the helicopter. CORRECTION: I have had contact with the merchant store that provided an answer to my problem: I rechargeais the chopper turned off and not ... Conclusion, nice toy, functional, durable, so I modified my review and my notes : =)