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
LiPo Battery Pack LP426580 2S 7.4V 4000mAh 29.6Wh with protection circuit and wires 70mm