Making a "DIY" Lipo Battery Pack (for an AR Drone) - Ec-Projects - YouTube
11.1V 1500mAh 20C Recyclable High Power LiPo Battery with 2 plug Designed for Parrot AR.Drone 2.0 Quadcopter Long Flight Time|Rechargeable Batteries| - AliExpress
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Parrot PF070056 Ar drone 2.0 Battery 1500mah - Walmart.com