How much wattage do I need for my Laptop-Adapter?

1.) Check the label on the notebook bottom. 2.) Or check the label of your adapter. There you can find easily the data you need to calculate the wattage. Voltage(V) x Current(A) = Wattage (W) Example: 19V x 2.37A = 45W 19V x 3.42A = 65W 19V x 4.74A = 90W Read more [...]