How To Know The Watt Of Charger. Voltage is also known as volts and is symbolised by the letter v. Now we plug in numbers.
To get the right laptop charger you need to know the electrical power required by your particular laptop model. The laptop came with a 130W charger. Hello The Laptop I have is the Dell Inspiron 15 7591 with the 3 Cell 56WHr battery the charger is a 130W Watts.
PA-10 90W adapters will work but they get really Hot.
I understood that USB-PD requires negotiation between the charger and the receiver. This video tutorial will show you how to calculate watts or wattage of the any smartphone charger or laptop adapter. Now we plug in numbers. You can use a compatible higher wattage power adapter without issue but it wont make your computer charge faster or operate differently.
