Amazon.com: oGoDeal 2 Pcs 2s 7.4v LiPo Battery USB Charger Cable Fast Charging with XH-3P Connector Plug for RC Car Drone RC Boat and Trucks Quadcopter Helicopter etc : Toys & Games
LiPo Battery USB Charging Wire
Adafruit Micro Lipo - USB LiIon/LiPoly charger [v2] : ID 1304 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits