Power AC / DC Adapter Notebook laptop is a device that is usually powered by an internal rechargeable battery that is charged using an external power supply, the output DC voltage typically in the range of 7.2 to 14.8 volts. Laptop Power Adapter is usually external, and connected to the laptop via AC connector cable. Power supply can charge the battery as a power source and laptop simultaneously, when the battery is fully charged, the laptop continues to run on power supplied by an external power supply. Laptop Power Adapter weight of about 400 grams and added to the overall weight of the notebook. When you buy a new adapter, you must follow these rules: The output voltage must be the same, the amperage can be equal or higher than the original adapter. If you are looking for a new adapter, you should check the following:
1. The new adapter you must have exactly the same connector (socket adapter tip) as the original.
2. The new adapter you must have a voltage output that is identical to the original.
3. The new adapter plug polarity must be the same as on the original. You can find the output voltage and amperage on the label adapter.
I keep the laptop adapter
When the laptop power adapter is connected to the laptop and the laptop is turned on, you will see the adapter may be warm to the touch. The longer the laptop is used, warm adapter can be higher. A relatively warm power adapter is normal, especially when the laptop is in use and the battery is charging.
However, if the adapter is too hot, this is a potential problem of damage. Adapter that is too hot is a warning sign that something could be wrong with the adapter or laptop.
If you look very hot Laptop Power Adapter, turn off your laptop and unplug the power adapter from the wall outlet. Allow to cool, then put it back in the socket and turn on the laptop. Observe temperature adapter for a while and if it becomes very hot again, it is recommended that you consult a technician to laptop adapter.
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