How can the current be amplified with a transistor without introducing other power supplies?

3 answer

Does the notebook use the power of other brands of notebooks?

4 answer

Can mobile phone batteries be replaced by other power sources? Deep technology, please

3 answer

Computer host power can be disassembled to do other power use? How to connect?

3 answer

How does desktop power supply power for other devices???

4 answer

Check the power sources used in other countries

5 answer

Can one computer use 2 or more power supplies? How do you start other power supplies?

4 answer

Can you use the power supply of other electrical appliances to replace the power supply of notebook computer?

5 answer