Electricvehicleiscurrentlythemostpopular,energy-savingandenvironmentalprotectiongreentransportation.Electricvehiclematchingcharger,apoweroftenneeds7-8hours,oncerunningwithoutpower,willmakethedrivingpeopleinanembarrassingsituation.Accordingtoasurveyof10customersinatleast5ownershadsuffered"anchor",eveniftheelectricvehicleelectricvehiclepedal,butduetotheelectricvehicledesignandbicyclehavenotsteppedon,unnaturally,andelectricvehiclesgeneralweightof50kg,thepedalisverydifficult.