The invention discloses a novel mobile phone charger capable of feeding back information of a rechargeable battery. The charger is mainly composed of a charging plug at the input end, an outer frame of the charger, a bottom board of a power plug and charging input equipment inside the charger. The charger is internally provided with a cavity part. The positive end and the negative end of a chargerhost are connected with a normal power input line; the other end of a power supply is connected with the equipment at the cavity part; and the equipment is provided with an input recording assembly for power supply battery input power. The novel mobile phone charger can record mobile phone charging information, can inform a mobile phone user of the information of electric quantity stored in the mobile phone battery of the mobile phone in time, and can compare the input condition of the latest charging total power with the maximum input power of the mobile phone through a small display, so that the current charging information is reflected to judge whether the battery is used healthily or not and whether the battery needs to be replaced or not; and the detailed charging information of thebattery can be visually reflected by additionally arranging the input power equipment for recording charging in the charger, and thus the mobile phone user can reasonably use the mobile phone.