Wireless load cell

A wireless load cell is provided. The wireless load cell includes a wireless load cell measuring unit and a wireless signal receiving unit; the wireless load cell measuring unit includes: a load cell; a controllable switch; a multi-power supply module including a solar panel, a first storage battery, and a standby battery, where the solar panel includes a first terminal connected to a second terminal of the controllable switch, and a second terminal connected to the load cell; the first storage battery includes a first terminal connected to a third terminal of the controllable switch, and a second terminal connected to the load cell; and the standby battery includes a first terminal connected to a fourth terminal of the controllable switch, and a second terminal connected to the load cell; and an automatic switching control circuit is configured to switch the controllable switch.