WayIn&reg; 4Pcs x 500mAh LiPo + 4 in 1 USB Charger Set for Syma X5HC / X5HW Quadcopter Remote Control Model Spare Part Set Syma X5HC/X5HW Explorers Quadcopter Charger Battery Sets 3.7V 500mAh Lipo Battery 4Pcs and Charger Good product with high quality material Fashionable design, match with your quadcopter perfectly Easy to install and convenient to use It can help your quadcopter fly much higher and quicker, more secure