новый национальный стандарт складной электрический велосипед литиевая поколение батареи автомобиля родитель-ребенок мини батареи автомобиля, Silver;blue

customized processing no brand umiou motor power 350 (w) motor type brushless model small flying fish color black white orange red size 14 (inch) load number 2 applicable voltage 48v item no. 02 whether cross-border supply no specification small flying fish bare car no battery no charger small flying fish 8a type power continued 30-40km xiaofeiyu 10a helps to continue 40-50km xiaofeiyu 12a helps to continue 50-60km xiaofeiyu 15a helps to continue 60-70km xiaofeiyu 20a helps to continue 80-100km