2PCS 7.4V 1200mAh Lithium Battery with 2pcs USB Charger line for E520 E520S Folding Quadcopter Remote Control Drone

Number of Batteries: 2 Product Specific batteries required. (included)
Battery Cell Composition: Lithium Polymer
Unit Count: 2
Voltage: 7.4 Volts
Reusability: Rechargeable