laptop charger questions

T

teedoff

New Member
Hi, first post here.

I had an HP laptop for several years, during which I bought a second charger to use at the office. This laptop died on me a couple months ago, and so now I have a new HP laptop.

My question is this. The new laptop's charger has a different amp rating than the chargers for my old laptop. Can I still use the extra one I had at the office? The connections are still the same. I hate lugging my laptop everyday, but its neccessary. But I hate even more unplugging my charger every morning and every evening to haul it around as well.

Thanks for any help and advice!

btw: I'm not sure about the volt rating on the other charger. It's at home right now.

edit: new info..

ok I thought the other charger was home. Its here at the office. SO I can confirm the slight differences between the two.

New charger: 100-240v 1.6a 50-60hz

old charger: 100-240v 1.5a 50-60hz

Only difference is the amp rating.

Thanks again
 
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1/10 of an amp will not make a diff. The quality will. Smart charger or not. I would want that.
Some have said the same in the past. tried exact and did not work properly. Suggested to get the oem charger from the company. I say try it. Worse case won't work. Spec's seem to be the issue.
 
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teedoff said:
Hi, first post here.

I had an HP laptop for several years, during which I bought a second charger to use at the office. This laptop died on me a couple months ago, and so now I have a new HP laptop.

My question is this. The new laptop's charger has a different amp rating than the chargers for my old laptop. Can I still use the extra one I had at the office? The connections are still the same. I hate lugging my laptop everyday, but its neccessary. But I hate even more unplugging my charger every morning and every evening to haul it around as well.

Thanks for any help and advice!

btw: I'm not sure about the volt rating on the other charger. It's at home right now.

edit: new info..

ok I thought the other charger was home. Its here at the office. SO I can confirm the slight differences between the two.

New charger: 100-240v 1.6a 50-60hz

old charger: 100-240v 1.5a 50-60hz

Only difference is the amp rating.

Thanks again
Click to expand...

The input voltage and current is almost the same on all the chargers made nowadays is 100-240 volt, but the output volt and ampages is the key, some charger output 19volt and some 16v and also I have seem 32volt as well, the polarity is also different in some charger, plus some even use ac current instead dc. you have to be careful otherwise you might damage the charger and the laptop.
Cheers.
 
Yup, need to know the output voltage AND output current. What you listed is the input voltage and current draw of the charger itself which doesn't help us to say whether you should even try it or not. DON'T TRY IT until after you have posted the outputs as it's possible that the old charger puts out a higher voltage and could possibly damage your new laptop.
 
[-0MEGA-];1705926 said:
What's the output voltage? It's one of the most important part of the specs.
Click to expand...

SO how do I find out the output voltage?

I will say the new laptop has a very long battery life rating. Not sure if that measn anything. I think it's like 10 hours. My old laptop was only rated at like 3.5 hours.
 
Both chargers will list the output voltage. You can do some damage by getting the wrong one.
 
johnb35 said:
Both chargers will list the output voltage. You can do some damage by getting the wrong one.
Click to expand...

Ahh ok I see that now. The extra charger has 19v output and 4.7a. The new charger that came with my new laptop is 18.5v and 3.5a output. Quite a big differnce in the amp output.
 
The amp rating is OK as it's similar to a horsepower rating for an engine, you need to have enough but extra is OK as it will only use what's needed. If the older charger had a lower amp rating then it would be a problem but, because it is higher, it's OK.

The voltage needs to be closely matched, too high and it could damage your laptop. In this case there's only .5V difference between the 2 chargers so it's close enough that it would be OK to use.
 
You have to make sure it's polarity is the same too, look to see if the inside connector is positive+ and the outside negative-. most of them are like that. so make sure the mark is same on both charger.
cheers.
 
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