Battery for FrSky X18 XE X20 X20s G-4000 2750mAh 7.4V
Fit to the device models:For FrSky Ethos Tandem X18 Transmitter, Ethos Tandem X18SE Transmitter, Ethos Tandem X20 Transmitter, Ethos Tandem X20 XE Transmitte, Ethos Tandem X20S Transmitter, X18 SE, X18 XE, X20, X20s.