Electric bicycle charging protector

The utility model provides an electric bicycle charging protector. The protector is connected in series with an electric wire output terminal of the electric bicycle charger and is connected with a storage battery. A working voltage is set between direct-current 36V and 65V and is adjustable. The protector is mainly formed by an electrical box, an intelligent time control switch circuit, an input socket and an output plug. The electrical box is a sealed shell. Two sides of the sealed shell are provided with holes. The intelligent time control switch circuit is arranged in the sealed electrical box. The input socket and the output plug are connected with the intelligent time control switch circuit through using the electric wire in the electrical box. The input socket is fixed in the electrical box and is extended from one side hole. The structure of the electric bicycle charging protector is simple. The size of the protector is small. A connection method is convenient and practicality is strong.