Convenient and safe charging device for storage battery of electric vehicle

The utility model belongs to the field of motor-driven technologies, and particularly relates to a convenient and safe charging device for a storage battery of an electric vehicle. The charging device comprises a battery box, wherein a storage battery group, a charging module and a balancing module are arranged inside the battery box; charging of the storage battery is realized in real time by the charging module so as to improve the range of the storage battery; the balancing module comprises a balancing charge control board; the control board is provided with a voltage monitoring circuit and a voltage balancing control circuit; voltage consistency of the storage battery is monitored by the voltage monitoring circuit; when the voltage of the storage battery is large in differential pressure, balancing control over the voltage of the storage battery is realized by the voltage balancing control circuit, so that service life of the storage battery is prolonged; and moreover, an anti-theft alarm module and a uni