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Information on the Laptop:

  • Output +19V 3.42A 65W
  • Min Capacity 10.8V 5.0Ah
  • Rating +10.8V 5200mAh 56wh
  • Model K43E Asus

Information on the Charger:

  • Output +19V 4.74A
  • Input AC100-240V 50-60Hz 1.5A
  • Model: EXA0904YH

As I understood, if the output voltage on the charger matches with the laptop output voltage(in this case both are 19V), it is okay to use it. However, I am not completely sure about this because I do not understand what the Rating part and what is stated in the minimum capacity mean.

Giacomo1968
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John
  • 29

2 Answers2

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Two IC "Integrated Circuit "inside your laptop charging system, One inside your battery and other one inside your laptop for fully protection. That's to protect the battery from over charging.

If one of them fail the other will protect it.

These days there is third protection inside the batteries: A thermostat sensor.

enter image description here

If your battery over heated the charger will be disconnect. all that to protect the battery from over charging or heating.

In your case the voltage is the same but the amps is different, and that's will make your battery over heated.

Keep in mind some laptop vendors build there laptop chargers by measuring the Amps, so they know when the battery is fully charged by knowing the Amps, if you used other charger with different Amps actually your charger will continue charging or discharging before the right values. and that's will cause a heat, if your battery not contain a temperature sensor or the sensor have fail for some reason that's will cause problems.

enter image description here

I have a more detailed article about how it works on my blog here here.

Giacomo1968
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Narzan Q.
  • 839
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Well, the voltage is the same and the charger has more Amps than laptop can draw. It should work just fine. Just check if the polarity of connectors on the laptop and the charger is the same.

ssam
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