Lithium electric drill can drill without batteries, teach you to connect an external power supply 

Non-professionals do not operate directly!
hello everyone
Share easy-to-understand maintenance videos
Make maintenance easier
Professional (mobile phone, computer, monitoring, home appliance) maintenance
Subscribe me if you like me
/ @dianqiweixiu
I just learned that lithium electric drills can drill without batteries. I will teach you to connect an external power supply so that you will never be afraid of running out of power.

Хобби