A hybrid battery comprising: a housing, a first energy storage device for providing a low-current power supply, a second energy storage device for providing an instantaneous starting current power supply, and a detection control circuit coupled in parallel with the first energy storage device, wherein the detection control circuit is configured to control the first and second energy storage device to supply power to an automobile according to an output current required, and wherein when the output current required is a low current, power is supplied to the automobile by the first energy storage device, and when the output current required is a high current, power is supplied to the automobile by the second energy storage device, thereby preventing the first energy storage device from being harmed, characterized in that negative terminals of the first energy storage device and the second energy storage device are coupled to a negative pole, a positive terminal of the first energy storage device is coupled to a first fixed contact of a relay, a positive terminal of the second energy storage device is coupled to a second fixed contact of the relay, the detection control circuit is coupled to a coil of the relay, an input terminal of the relay is coupled to a positive pole, and the positive pole and negative pole are coupled to a positive electrode and a negative electrode of an electric load of the automobile, respectively; wherein the detection control circuit detects a current flowing through the first energy storage device and operates in the following manner, when the current is a low current, under the control of the detection control circuit, a movable contact of an armature of the relay is connected to the first fixed contact and disconnected from the second fixed contact, then the first energy storage device is coupled between the positive pole and the negative pole to supply power to the automobile; when the current is a high current, under the control of the detection control circuit, the movable contact of the armature of the relay is disconnected from the first fixed contact but connected to the second fixed contact, then the second energy storage device is coupled between the positive pole and the negative pole to supply power to the automobile, wherein after the movable contact of the armature of the relay is coupled to the second fixed contact for 1 to 10 s, the relay is reset. a housing, a first energy storage device for providing a low-current power supply, a second energy storage device for providing an instantaneous starting current power supply, and a detection control circuit coupled in parallel with the first energy storage device, wherein the detection control circuit is configured to control the first and second energy storage device to supply power to an automobile according to an output current required, and wherein when the output current required is a low current, power is supplied to the automobile by the first energy storage device, and when the output current required is a high current, power is supplied to the automobile by the second energy storage device, thereby preventing the first energy storage device from being harmed, characterized in that negative terminals of the first energy storage device and the second energy storage device are coupled to a negative pole, a positive terminal of the first energy storage device is coupled to a first fixed contact of a relay, a positive terminal of the second energy storage device is coupled to a second fixed contact of the relay, the detection control circuit is coupled to a coil of the relay, an input terminal of the relay is coupled to a positive pole, and the positive pole and negative pole are coupled to a positive electrode and a negative electrode of an electric load of the automobile, respectively; wherein the detection control circuit detects a current flowing through the first energy storage device and operates in the following manner, when the current is a low current, under the control of the detection control circuit, a movable contact of an armature of the relay is connected to the first fixed contact and disconnected from the second fixed contact, then the first energy storage device is coupled between the positive pole and the negative pole to supply power to the automobile; when the current is a high current, under the control of the detection control circuit, the movable contact of the armature of the relay is disconnected from the first fixed contact but connected to the second fixed contact, then the second energy storage device is coupled between the positive pole and the negative pole to supply power to the automobile, wherein after the movable contact of the armature of the relay is coupled to the second fixed contact for 1 to 10 s, the relay is reset.