The answer is not recommended.

Applies to: All Reolink devices.

We have not tested this power supply method, and we are afraid that we cannot guarantee that it will work completely and no corresponding guidance could be provided. It is advised to familiarize the power supply method of an interested camera model and your installation environment before choosing a correct camera.
Below are the recommended power supply methods:

How to Power on Reolink PoE Cameras

How to Power on WiFi Cameras

How to Charge Reolink Battery-powered Cameras

How to Power on Reolink NVRs