3.7V 300mAh Lipo Battery for JJRC H56 T2G Drone Battery For RC Quadcopter Spare Part - AliExpress
Amazon.com: HAWK'S WORK 3.7V 300 mAh Lipo Battery, 1S 20C Lithium Battery with USB Charging Cable for Toys RC Plane Truck Boat Quadcopter Helicopter Drone (A) : Toys & Games