PSU Question

Luck of the Irish

I am trying to fix a laptop for a friend, but unfortunately he didn’t give me a plug and the battery is dead. I have an exernal battery charger whose output is 19V 6.32A however the laptop requires 19V with a 3.2A is it safe to use this Battery charger?

This open post was written 2 weeks, 3 days ago | V/U/S: 61, 14, 2 | Edit Post | Leave a reply | Report Post

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Since writing this post Luck of the Irish has helped in 2 other users' posts within the last 4 days. Luck of the Irish is a verified member, has been around for 1 year, 5 months and has 48 posts and 1,905 replies to their name.

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Luck of the Irish invited 1 user to read this post 2 weeks, 3 days ago.

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fractal.scatter 346 #
An Unknown Location | 2 weeks, 3 days ago (8 minutes after post)

Yeah. It just means it rated UP TO 6.32 amps and it won’t shove more charge into the laptop than the laptop will draw anyway. When PSU died and I got a replacement; both the voltage and current are higher (21V instaead of 18V) and the current (6.0A instead of 4.1A). As long as the connection is the same and the polarity is the same it should be perfectly fine :)

Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (34 minutes after post)

How do you know the polarity?

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fractal.scatter 346 #
An Unknown Location | 2 weeks, 3 days ago (45 minutes after post)

Luck of the Irish wrote:
How do you know the polarity?

Well usually there will be a diagram like
http://www.synthresource.com/synth/Ha…
And you just make sure that it mathes the output given on the PSU.

Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (1 hour, 15 minutes after post)

If I took out the battery would it damage the Laptop? I can’t see the symbol on the laptop.

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fractal.scatter 346 #
An Unknown Location | 2 weeks, 3 days ago (1 hour, 17 minutes after post)

Luck of the Irish wrote:
If I took out the battery would it damage the Laptop? I can’t see the symbol on the laptop.

No; it just woudn’t turn on. Most are pretty standard to be honest so I’d just try it and see.

Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (1 hour, 20 minutes after post)

So I take out the battery and it won’t damage laptop, good, I have to update it for a person.

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fractal.scatter 346 #
An Unknown Location | 2 weeks, 3 days ago (1 hour, 21 minutes after post)

Luck of the Irish wrote:
So I take out the battery and it won’t damage laptop, good, I have to update it for a person.

Yup. And next time tell him to bring along the PSU haha.

Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (1 hour, 22 minutes after post)

I will

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Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (1 hour, 24 minutes after post)

laptop won’t turn on so the polarity must be wrong.

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Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (1 hour, 24 minutes after post)

thanks for your help fractal.

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fractal.scatter 346 #
An Unknown Location | 2 weeks, 3 days ago (1 hour, 25 minutes after post)

Luck of the Irish wrote:
thanks for your help fractal.

Guess so. And sorry about that.

Luck of the Irish 46 #
An Undisclosed Location | 2 weeks, 3 days ago (1 hour, 26 minutes after post)

About what? You have been very helpful, without you I would have been lost. He will just have to bring the charger I wouldn’t mind but it is a bus driver in another county and I don’t have their contact number so … I will talk to him tomorrow.

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fractal.scatter 346 #
An Unknown Location | 2 weeks, 3 days ago (1 hour, 27 minutes after post)

Luck of the Irish wrote:
About what? You have been very helpful, without you I would have been lost. He will just have to bring the charger I wouldn’t mind but it is a bus driver in another county and I don’t have their contact number so … I will talk to him tomorrow.

Hokey pokey :)

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