RC4WD 7.4V 320mAh Lithium Ion Battery W/ Balance Plug-Z-E012
Amazon.com: 7.4V 1100Mah Li-ion Battery SM-4P Plug for UDI001 Huanqi HQ960 RC Boat HQ747 RC Car 1 Pack with USB Charging Cable : Toys & Games
RadioMaster 7.4V 2S 5000mAh Li-Ion Battery for TX16S - XT30
Amazon.com: URGENEX 7.4V Lipo Battery 2S 35C 1800mAh Rechargeable RC Battery Pack with with Deans T Plug Campatibal with Most 1/10, 1/16 Scale RC Cars Trucks and 7.4V 1to2 USB Lipo Battery