Same voltage and current rating but different brand laptop AC adapter?
43026
Is it safe to use a "Universal Laptop Adapter"?
37100
Using a higher current charger on a laptop which requires a lower current
106598
Is it safe to connect battery in series with wall adapter?
18771
Switch between 5V power supplies?
49235
Does a power supply draw only as much power as it needs?
2268
Question regarding use of low voltage high current outputs
15093
Is it better to use a laptop on battery or on AC power?
146736
Can I charge my laptop through USB
91831
Using series of LM 78XX for power supply
67534
What is / how can I get a student-safe power supply for electronics projects?
128201
3 Contact Laptop Power Supply
68228
18V from printer USB port. Is that normal?
67448
Can I use a charger with more output amperage than the device needs?
117034
Is it safe to use a laptop AC adapter with 220V power if the AC cable is not rated for 220V?
65365
How does USB Power Delivery work with voltages above 5V without damaging 5V peripherals?
68560
Is it safe to use a power supply with a different laptop?
145316
Paralleling power supplies for higher current