19.5V 3.34A Special Tips for DELL Notebook Charger
As the
Power Supply
in the home is generally about 100v-240v (AC), the power supply in the car and the plane is generally about 12V (DC), but these three commonly used power supply is unstable, can not be directly charged to the laptop, otherwise it will damage the battery and laptop. The laptop needs a stable constant voltage dc power supply.
So the working principle of universal laptop charger is simple: it is the unstable power supply using the principle of
Switching Power Supply
through the conversion circuit into a variety of laptop computers need constant voltage dc electricity, with the corresponding connector for a variety of laptop power supply and charging.
It is worth noting that this conversion circuit must have a protection circuit (overcurrent protection circuit overvoltage protection circuit short circuit protection circuit, etc.) to prevent accidents, to protect the laptop from burning.
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Product details
Model No.
PA-65
W
Usage
Laptop
Color
Black
Connection
Desktop
Input
100-240V 50/60Hz 1.5A
Output
65W
Weight
220g
Certificates
CE,FCC,ROHS
Images
2024