Yes, the pen needs to be charged. Scanning pens usually have a built-in battery that needs to be connected to a power source via a USB charging cable for charging. Charging time and usage time depend on the pen model and battery capacity. Charging can be done from a computer, mobile power or outlet charger. When charging, you need to pay attention to the battery power to avoid the impact of overcharging on the battery life, and you also need to avoid excessive discharge to maintain the health and service life of the battery.
If the scanning pen is a lithium battery, and has a charging interface, then it is a charging scanning pen, and it must be charged with a charger.
It needs to be charged, or it won't work when it runs out