3.7V 300mAh LI-PO Battery for UDI U816 U830 F180 E55 FQ777 FQ17W RC Drone for Syma X11 X11C for Hubsan X4 H107C H107D 4 Pack with 5 in 1 Charger Molex Plug
Amazon.com: FPVERA 2PCS Drone Batteries 3.7V Lipo Battery USB Charger and 650mAh Lipo Battery with Battery Charger for SYMA X5 Serial UAV Drone Quadcopter Rechargeable Battery : Toys & Games
3.7V 1800mah Lipo Battery 25C JST Plug for RC Quadcopter Drone Battery 2 Pack with USB Charger