Dell laptop power supply 50W 19.5V, 2.31A, connector 7.4/5.0 (pin inside) + USB5V/1A (PA45W16-BA / A40318)

The original power supply unit for the laptop is an intelligent AC adapter that will provide power to your assistant from the mains, as well as reliably protect it from surges and voltage drops, even during lightning strikes. Only the original power supply unit can guarantee the "correct" process of charging the battery on your laptop and, thanks to this, significantly extend its service life. Thanks to its compact size, it will not take up much space on your desktop and will fit comfortably in your laptop bag. It does not emit extraneous sounds during operation and is characterized by high cable quality.

When choosing a power supply unit for your laptop, pay attention to the power parameters and the type of connector. The power of the selected power supply must not be lower than the power of the power supply with which your laptop was equipped. Otherwise, the adapter will heat up very much during operation, will not be able to correctly supply power to the nodes of your device and may fail very quickly.

List of alternative part numbers:
PA45W16-BA, 05R7RR, HA50NM16B and others

Characteristics

Manufacturer

Dell

Edition

оригінальний

Compatibility with laptops

Dell

Country of manufacture

Китай

Type of laptop connection connector

7.4 х 5.0(pin inside)

Power source

мережа 220 В

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