6HRAULBF : 7.2 volt 2150mAh Ni-MH battery for Futaba T12FG, T8FG etc.
Zdf Power Lipo Battery 7.4v 2200mah 8c Li-po Battery For Futaba T8fg 12fg Transmitter Li-poly Battery - Parts & Accs - AliExpress
74V 2500mAh lithium battery FUTABA 12Futaba 8fg model aircraft remote control transmitter battery|batteries plus battery|battery charger with usbbattery link - AliExpress