External power supplies and DC to DC converters for Computers and notebooks
4135
Why do many laptops run on 19 volts?
80781
Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply?
153381
How do I design a 2A or more power supply for my consumer USB devices?
87422
Powering 12V device from 5/9/12V powerbank
69660
Different voltage sources in parallel
128201
3 Contact Laptop Power Supply
103400
How can I connect two different DC power sources together?
125118
230V AC to 5V DC converter, lossless
140532
LED as power generator
36224
Grounded AC-DC power supply, what connects to earth ground?
119036
What are the consequences of using a low-wattage USB-C power supply with a MacBook Pro?
66305
Getting rid of AC/DC adapters
121317
Parallel connection of DC DC Converters with different output to charge the battery
80530
Is building a DC-DC PSU PWM controller from discrete components a terrible idea?
135049
Is it safe, or even possible, to draw more power from a USB port than it was designed to provide
120243
Can I safely use my camera with a external power supply?
134041
Transformerless power Supply - 24VDC, 120V AC and 230V AC