Amazon.com: Zeee 2S Li-ion Battery 2000mAh 7.4V Battery with SM 2P Connector 2 Pack USB Charger Compatible with MN D90/91, MN 99/99s RC Cars, H101 H103 H105 RC Boat RC Truck(2 Pack) :
DEWALT 20V MAX Premium XR 6.0AH Lithium-Ion Battery Pack 2-Pack
Amazon.com: Blomiky 2 Pack 7.4V 1100mAh 8.51Wh Li-ion Rechargeable Battery with SM-2P Plug and 2 Charger Cable fit for H101 H103 RC Boat RC Car Vehicles Toy Force Battery 2 : Toys
Rechargeable Hot Selling Lithium-ion Battery LP21700A 4800mAh with Connector JST PHR-2 | Lithium_Polymer_Batteries_com
Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits