LiPO Batteries: Filament Power Batteries - Ultra Thin LiPO & Standard – Upgrade Keyboards
Amazon.com: SOCOKIN 2S 5200mAh 80C 7.4V Lipo Battery with Hard Case Deans Plug for RC Evader BX Car RC Buggy RC Boat Drones 1/10 Scale Racing Truck Racing RC Heli Airplane (2
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
Lithium Ion Polymer Battery - 3.7V 350mAh : ID 2750 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Lithium Ion Battery - 110mAh - PRT-13853 - SparkFun Electronics