YKS 5X 3.7V 380mAh 25C Lithium Battery for Hubsan X4 / Super CP / Ladybird / Mini CP / Genius CP RC Quadcopter / Wltoys V202 / UDI U816 / UDI U816A / SH 6043 / SH 6044 4 Channel 2.4GHz RC Quadcopter It comes with 5 pieces of 380mAh spare batteries, so as to extend your playing time. All the batteries have passed strict quality test, ensuring long time use. Capacity: 380mAh, Voltage: 3.7V. Direct replacement battery for Hubsan X4 (H107 H107C H107D H107L) 4 Channel 2.4GHz RC QuadCopter, JJRC H22 H6D, Syma X11 X11C, V252 JXD385 F180C, Walkera Super CP Mini CP Genius CP and more. Dimensions (Max.): 1.50in x 0.79in x 0.33in.