Lithium Ion Polymer Battery - 3.7V 350mAh : ID 2750 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: SOCOKIN Lipo Battery 3S 11.1V 5200mAh 60C with Deans T Plug Soft Case for RC Car Model, RC Racing Car Heli Airplane Quadcopter Helicopter etc (2 Pack) : Toys & Games
3.7V Polymer Lithium Ion Battery for Rocketry Electronics
Amazon.com: Traxxas 2890X 6700 mAh 14.8V 4-Cell 25C LiPo Battery Vehicle : Toys & Games
Amazon.com: Zeee 3S Lipo Battery 8000mAh 11.1V 100C RC Battery with Deans T Plug Hard Case Battery for 1/8 1/10 RC Car Model RC Truck Tank Buggy Team Associated : Toys & Games
5mm Ultra Thin 95mAh Hot Selling Small LiPo Battery LP500829 3.7V | Polybattery.com
Tattu R-Line Version 4.0 1300mAh 22.2V 130C 6S1P Lipo Battery Pack with XT60 Plug