Is that Possible to Bring Mobility Scooter In Guilin and Zhangjiajie

Hi, I am Planning to Bring My Father 66Years Old With Mobility Scooter (SLA Battery) To Travel to Guilin and Zhangjiajie, is that possible for him to bring mobility scooter?

we will arive by plane in guilin and back to guilin from zhangjiajie by train, is that possible for his Mobility Scooter to Board the airplane and Train?