11.1v 1500mah 20c Recyclable High Power Rechargeable Battery Designed For Parrot Ar.drone 2.0 Quadcopter Long Flight Time - Rechargeable Batteries - AliExpress
Amazon.com: MaximalPower Gifi Power LiPo Battery and Charger for Parrot AR.Drone 2.0 & 1.0 Quadricopter (1 Battery 2600mAh + LCD Balancer Charger for 7.4V-11.1V Li-po Battery) : Toys & Games