I'm using a common charger for both of my laptops.
The charger is specified at 20 Volts and 3.25 Amperes. My other laptop has a specification of 19 V and 3.42 A.
Is it safe to charge my laptop with chargers whose specifications exceed or are not equal to the mentioned specifications?
I have read somewhere that it may cause some damage if the voltage or amperage is not matching the specs.
Answer
Using a charger with the wrong voltage rating can potentially damage your laptop. This is typically caused by too high voltage. But using a charger with too high current won't damage your laptop. Using a charger with too low current rating might fry the power supply, but not the laptop.
As the difference in voltage in this case is small, it should be OK. But I really doubt that anyone would stick their neck out and guarantee this. I believe it should be OK because your laptop will [most likely] have circuitry in it which will filter and regulate the voltage on-board - it must do this to charge the battery, and 1 volt is not a big deal to most of these kinds of circuits. It's probably not ideal though.
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