Does a 5v 3A / 2A power adapter work where a requirement is of 5v 4a/5A
423
Choosing power supply, how to get the voltage and current ratings?
37100
Using a higher current charger on a laptop which requires a lower current
82807
How does an LM7805 voltage regulator work?
145316
Paralleling power supplies for higher current
39483
Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.)
122061
tube amp power transformer
25875
Can I use 45/60/85W MagSafe era MacBook chargers interchangeably?
144550
Different and opposing voltage sources?
128201
3 Contact Laptop Power Supply
23083
Logic Levels between 5(V) and 3.3(V) devices
81807
Under what circumstances would 5V@2.1A be lethal?
112552
Are universal power supplies for laptops worth it?
132607
Can computer power supplies use North American 240V (hot-hot-ground)?
67432
Can connecting of AC adaptor first into device, then into mains pose a risk of voltage spike?
72043
Automatic switching between external 5V and USB bus power supplies
119534
How to force variable voltage fast charging power bank to output a certain voltage?
116854
If my power supply is 700w, do I need a 700w UPS?