Battery life-prolonging capacity-increasing protection equipment

The utility model relates to the technical field of battery protection devices, in particular to battery life-prolonging capacity-increasing protection equipment which can improve the heat dissipation effect of a battery and prevent the battery from being damaged. Comprising a volume increasing device, two groups of contact pieces, a base, supporting legs, a protective shell, a motor, fan blades and an air duct, connecting lines are arranged at the input end and the output end of the volume increasing device, the volume increasing device is connected with the contact pieces through the connecting lines, the volume increasing device is installed at the top end of the base, and the bottom ends of the supporting legs are fixedly connected with the top end of the base and the bottom end of the protective shell. The bottom end of the motor is fixedly connected with the top end of the base, the output end of the motor is provided with a driving shaft, the fan blades are fixedly connected with the driving shaft, the