Lithium Ion Battery - 2Ah - PRT-13855 - SparkFun Electronics
Amazon.com: URGENEX 7.4V Li-ion Battery 2000mAh 2S Battery with SM 2P Plug High Capacity for Remote Control RC Boat 2 Pack H101 RC Batteries with 2 USB Chargers : Toys & Games
Lithium-ion Battery LP21700B 2S 7.4V 4500mAh with protection circuit and wires 80mm and JST PHR-2
Amazon.com: 2S Li-ion Battery 7.4V 2000mAh 20C T Plug Female Connector Rechargeable Battery with USB Battery Charger for RC Car Off Road Truck Jumper T16 Transmitter etc : Toys & Games
Making 2S 18650 Li-on Battery Packs for RC FPV Models - YouTube
RadioMaster 7.4V 2S 5000mAh Li-Ion Battery for TX16S - XT30
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4 PCS 1500mAh 7.4V 2S Li-ion Battery Deans Style T Plug For WLtoys 4WD RC Cars | eBay