My laptop adapter has been damaged.It was rated 18.5V and 3.5 AMP, 65W. I came across a replacement adapter that is 19V and 4.74A, 90W. It fits and it works, but now am scared I might be slowly degrading my laptop battery or laptop using it.Does it is safe to use like this??
You have to look at Voltage AND Amperage. In other words, the brick should be the right voltage, and it should be putting out the right wattage total. Volts x Amps = Watts.Under powering or overpowering your
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