KKmoon 2pcs 3.7V 520mAh 30C Lipo Battery or RC 6CH 3D Helicopter Wltoys V977 V930 Wltoys V977-006(VA13) 3.7V 520mAh 30C Lipo Battery 2Pcs for RC 6CH 3D Helicopter Wltoys V977 V930 Battery Good product with high quality material Fine workmanship and perfect style Fashionable design, match with your quadcopter perfectly It can help your quadcopter fly much higher and quicker, more secure