Amazon.com: X9D Plus Battery 7.4V 3000mAh 8C Rechargeable 2S Lipo Battery for Frsky Taranis X9D Plus Radiolink Transmitter 2 Pack with USB Charger : Toys & Games
Battery options for the FrSky Taranis RC transmitter - YouTube
FrSky Taranis X-Lite Battery holder
Radio FrSky Tandem XE EU 900MHz/2.4GHz Mode 1 + Battery + Neck Strap - TURBINES RC