Can I use a different power supply as a replacement for the original?

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#31 6291462 16 Mar 2009 21:41

tzok tzok

Moderator of Cars

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Post #31
6291462 16 Mar 2009 21:41

The higher the input voltage, the lower the current drawn from the power supply and the less filling the waveform in the converter ... but that's not what I wanted to write about. These Chinese "replacement power supplies" are terrible crap, I had such a thing with my nc6000, it was so bad that TV could not be watched through the TV tuner, and the TV was connected to the same splitter: /
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#32 6294596 17 Mar 2009 17:01

asziatko asziatko

Level 21

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Post #32
6294596 17 Mar 2009 17:01

So only buy POLSKIE DOBRE BO POLSKIE products . But seriously, I am also behind our products.
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#33 6294993 17 Mar 2009 18:19

skaktus skaktus

Level 37

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Post #33
6294993 17 Mar 2009 18:19

So what if POLISH if such a FEN has everything from China?

The original for your Lapa will be hard to find, that's why I recommended Dell as a replacement - cheap, functional and proven with high quality.

I use Chinese myself only when I need it and most often only in the car because this is how I have original power supplies.

PS-not all Chinol is groats.
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#34 6295597 17 Mar 2009 20:04

tzok tzok

Moderator of Cars

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6295597 17 Mar 2009 20:04

Of course, not every original HP or Acer power supply is also Made in China and the quality is completely different than "Replacement Laptop Switching Power Supply".
#35 6295760 17 Mar 2009 20:28

cyruss cyruss

Level 31

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Post #35
6295760 17 Mar 2009 20:28

The truth is very simple: the Chinese manufacturer is open to the customer and will do exactly what the customer wants. Want a cheap power supply that will last six months? Well, electrolytes and semiconductors from an unknown homie, half the size of the cores, improved parameters on the sticker. Want a power supply with the reliability Dell needs? Well, electrolytes with really LOW ESR, proprietary semiconductors, TDK cores.
So it is not the manufacturer that matters, but the price.
And the new equipment sold on the Allegro is mostly the cheapest equipment.
Often a better company drug, not too old, than "no name" brand new.
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Topic summary

The discussion revolves around the compatibility of a replacement power supply for a laptop after the original one burned out. The original power supply had a current rating of 4.75A and a voltage of 20V, while the proposed replacement had a lower current rating of 3A. Participants emphasized the importance of matching both the voltage and current specifications, advising that the replacement must have a minimum of 4.75A and exactly 20V to avoid potential damage to the laptop. They also discussed the significance of checking voltage polarity and the risks associated with using lower-quality or unverified power supplies, particularly those from unknown manufacturers. The user was encouraged to seek a reliable replacement and consider local options for testing compatibility before purchase.
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