Can I use 19V 2.40A charger?
80781
Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply?
30064
I wonder why I cannot charge a capacitor with alternating current?
148501
USB charging at 4.3 volts
142418
Can you split power between two voltage regulators?
4135
Why do many laptops run on 19 volts?
106598
Is it safe to connect battery in series with wall adapter?
78058
Is there any option to store AC voltage?
33777
home socket with DC voltage
153381
How do I design a 2A or more power supply for my consumer USB devices?
132607
Can computer power supplies use North American 240V (hot-hot-ground)?
88894
Why does a 12V 2A adapter measure only 0.358A on a multimeter?
25875
Can I use 45/60/85W MagSafe era MacBook chargers interchangeably?
119534
How to force variable voltage fast charging power bank to output a certain voltage?
103245
Why is it safe to use 15 A receptacles on a 20 A circuit?
23833
Can I use a power adapter with more current but lower voltage on another laptop?
43676
Is it possible to power a cordless drill from wall socket adapter?
51
Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?