DC (direct current) bidirectional measurement electric energy meter

The utility model discloses a DC (direct current) bidirectional measurement electric energy meter comprising a voltage sensor, a special electric energy measurement chip, a CPU (central processing unit), an EEPROM (electrically erasable programmable read-only memory) and a display, and further comprising a direct-current power supply, a bidirectional current sensor, a DC/DC converter and a USB (uniform serial bus) interface. The DC bidirectional measurement electric energy meter disclosed by the utility model has a bidirectional measurement function, is communicated with the outside through the USB interface and has strong compatibility.