I DIY multi-function power supply at home | Versatile power source | Power Bank | Mr TT Homemade

[@mrtthomemade]

Everyone should use 18650 batteries with the same specifications. For the most effective and safe 12V battery. 👍

[@KHOAIHOANG81]

Oh Wáo..! Oh My God and Have a. Good ❤❤❤❤