How Many Volts Does A Laptop Charger Use. Poorly written Anonymous Question on Quora Volts are not the only mesurement Usually there is a Manufacturers label on the back that specif. 100-240V25A 50-60Hz My question is how much power Watts do I need to charge my laptop.
The correct question is much simpler. Note that the voltage required by the laptop remains the same during use but the amount of current drawn by the laptop will change as you use it. There are no compatibility issues if your laptop and laptop battery have different voltage ratings.
Your Hewlett-Packard HP laptop is powered and charged by an external power pack that requires a specific amount of voltage the rate at which energy is drawn from a source that produces a flow of electricity in a circuit from an electrical outlet.
11 Power cord set requirements The wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts ac or from 220 to 240 volts ac. But if the charger output is 22 volt and 33amps that would fry the system. I work with electronics and have a 12 volt to 195 volt dc converter. How many watts of power volts time amps are required to run an HP laptop.
