1.Storing the battery pen properly.

To store the battery pen, make sure that the tip does not touch anything; especially, do not let the pen stand in a cup or penholder with the tip down. Pressure applied to the pen tip will cause a constant drain on the pen’s battery, it is recommended to place the pen in a pen holder or store it with the pen tip pointing upward, or place it horizontally with the pen tip free of any other objects.

2.Changing the pen battery.

Firstly,twist the pen cap and insert the battery;

Secondly,pull the upper barrel out of the pen and insert the battery,you can according to the following steps.

Note:Do not twist the upper barrel!