GoolRC Upgrade RC Part 7.4V 650mAh Lipo Battery H8C-10(650)VA27A for JJRC H8C H8D RC Quadcopter High Capacity High Power ABS Material Fits with popular JJRC H8D H8C Quadcopter Standard Dimension: 5.2 * 2.6 * 1.2cm Lipo technology enables convenient charging at any time. No cell memory effect. 2S 7.4V 650mAh 25C Va27 Battery