I will tell you here how you can make the DC supply that you need for mobile phone repair. This DC power supply is very easy to make I will tell you step-by-step how you can make DC power supply. First let us know what components you will need to make this DC supply
DC Power supply make (Requart Components)
- Digital Voltmeter amp meter (BUY Link- https://amzn.to/3f9NnwQ
- On/off switch
- 3.7v-4v 2000mah to 3000mah Battery
- Diode 1nD819
- Chgarging Connector
- LED
- Resistor 10k
Extra Dc power cabel
Here is a diagram of how to make this DC power supply. You can do this by looking at the diagram I have made through the diagram.
It is very easy to make. Here I have shown you how you can make DC power supply by looking at the diagram or you can make this DC power supply yourself through other methods.