Replacing the electronic shelf labels batteries, it is not hard and very convenient for user.
Firstly, we use a blade to pry open the back cover. When opening, pay attention to the strength and edges, and don't scratch your fingers.
Secondly after opening the back cover, we forced to pry the battery pack with adhesive back and unplug the power plug, so that the batteries were taken out. The installation process is reverse.
Finally, buckle the back cover of the batteries and press it flat.