Noiposi 3PCS 7.4v 700mah 25c Lipo Battery for MJX X600 X601H X600C U690 RC Quadcopter JXD391V Helicopter Spare Parts Suitable for Item No.:MJX X600 X601H X600C U690 RC Quadcopter JXD391V Helicopter Size:50*30*6mm/2.2*1.2*0.5 inches Battery:7.4V 700mAh 25C;Flight time: about 8 minutes Package Included:3 PCS 7.4v 700mAh Battery Up to 20% longer flying time than orginal battery,high capacity can make your drone show a variety of difficult movement