Dual-mode charging watt hour meter

The utility model discloses a dual-mode charging watt hour meter, which comprises a shell body, wherein the upper end of the shell body is provided with a DC voltage acquisition port, the middle part of the shell body is provided with a watt hour display window and a charging display window, the lower end of the shell body is provided with an AC voltage acquisition port, and one side of the watt hour display window is provided with a plurality of setting buttons; and an AC current transformer is arranged in the shell body. Compared with the prior art, the dual-mode charging watt hour meter can measure and charge the mains power or a DC power supply circuit according to needs, a live wire of a measuring circuit only needs to pass through the current transformer inside the dual-mode charging watt hour meter directly when measuring the mains power, through the arrangement, the influence of the watt hour meter on a load circuit is avoided, the acquisition signals are fully isolated, and the safety of signals is e