A: The difference between wired and wireless drills should be reflected in the following two aspects.
First, the power supply is different.
Wired electric drill requires 220 volts of converter power to work, and wireless electric drill is lithium battery DC power supply, even in the absence of AC power can often work.
Second, the length of working hours is different.
The wired drill can continue to work as long as there is no power outage, and the wireless drill needs to be charged or replaced after a certain period of time due to the limited capacity of the battery.