Question about HP Compaq Presario C304NR Notebook

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Charger Voltage and Watt Differences

My original laptop charger burnt out. Can I replace it with a charger from the same company but a bit larger in voltage and watts? My original charger is 65W and the new one is 90W. My original charger's input is 100-240V 1.6A 50-60 Hz and output is 18.5V 3.5A. The new input is 100-240V 2.4A 50-60 Hz and output is 18.5V 4.9A. The negative and positives are all the same and stuff.

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  • Zhangg Jun 07, 2008

    My computer is actually a Compaq Presario C301NR but it didn't have that option..

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It hardly matters if u are using a 90 watt adapter instead of a 65watt
it will charger the battery much more faster
so you can use it
it should power on your system without the battery.... just check that first

Posted on Jun 07, 2008

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Hi, i have svoa labtop and now my charger adapter got burnt due to electrict short. Now my charger is not working and i cannot use it.


OK. But I don't understand what the problem is.

AC adapter (Charger) is burnt out, by a new one.

Look at the old 'charger'.
Look at the label.

Input: 100 ~ 240VAC/50 ~60HZ.

100 to 240 Volts AC, at 50 to 60 Hertz. (Cycles per Second)

Output:
This is what you need to know.
What is the output voltage of the original charger?

Example;
Output: 19VDC @ 4.63A

19 Volts DC at 4.63 Amps. (Amperes)

Your charger MUST put out 19 Volts. (For the example)
It WILL be DC electricity, so don't worry about that. (Direct Current)

[Your 'charger' is more than that. More than a charger for the laptop battery.
It is also a Converter. It converts the 100 to 240 Volts of Alternating Current, (AC), into a low DC Voltage.

Plus it charges the Battery, WHEN needed ]

Post back in a Comment as to what the exact query is.
Regards,
joecoolvette

Jan 25, 2013 | Computers & Internet

2 Answers

My cauzin Got Acer Aspire 5920 !! its charger stop working she buy another charger for it !! but due to inexperience she bought 24 volts instead of 18 volts !! after charging some time the laptop isn't...


One of two things. The Power Connector (on the motherboard) or the motherboard itself. If it is just the power connector, you can purchase a new one for around $10 (look at the specs for your model) and solder a new one on. If it is the motherboard, you'll be replacing alot more than it most likely. It could have fried the GPU, memory and Proc.

And the following three condition should be met for you to use an AC Adapter safely.
1) Output Voltage is within +/- 5% of your old charger's output.
For example, if your old charger provides 19.5V, then you can use a charger that provides 20.5V or 18.5V.
2) Output Current is the same or higher than that of your old charger.
For example, if your original adapter provides 3.42 Amps, then you can use a charger that provides 3.42 Amps, 3.9 Amps or higher.
3) Connector tip must fit securely into your laptop.

Specification of Acer Aspire 5920 Charger:
Output: DC19V 3.42A
DC Connecter (Barrel) size:
Internal Diameter: 1.5mm
External Diameter: 5.5mm

Feb 22, 2011 | Acer Computers & Internet

1 Answer

My acer laptop extensa 4220 the battery plugged in not charging is problem


The battery is either bad or the charger is not putting out proper voltage. I'd say that the battery is the more likely cause. I ran into this problem where my battery monitor said that it was plugged in and charging sometimes, and that it wouldn't go above 0% charged. The circuitry inside the battery case is defective or burnt out over time.

Your problem is a little bit different, but in the case of my Acer laptop, I am on my 3rd battery in 3 years ( I use mine a lot).

I would recommend that you get a higher capacity battery than original, if available on Ebay.com or Amazon.com.

Good luck on this replacement of battery problem.

Feb 13, 2011 | Computers & Internet

1 Answer

I need to purchase a replacement charger for my CnMnotebook. Can you pelase advise where I can get one and what the price will be. Thank you Marion Forsythe


What's your part number of your original charger? The output of voltage and current? And your notebook model? Use this info, do a search in google, there will be many online stores selling this part.
Hope this may help.
And pay attention that:
Thefollowing three conditions should be met for you to use this charger safely. 1)Output Voltage is within +/- 5% of your old charger's output.
For example, ifyour old charger provides 19.5V, then you can use a charger that provides 20.5Vor 18.5V.
2) Output Current is the same or higher than that of your old charger.
For example, ifyour original adapter provides 3.42 Amps, then you can use a charger thatprovides 3.42 Amps, 3.9 Amps or higher.
3) Connector tip must fit securely into your laptop.

Jan 05, 2011 | Computers & Internet

1 Answer

Computer wont charge with universal charger


Please check the technical specifications of your computer charger and see that your universal charger fulfills the same. Generally it is found that the universal charge may supply the required voltage but may not provide the required amperage. That is the reason most of the electronic companies insist on their chargers. If your charger is not working please get one from the company rather than using the universal charger and the spoiling your computer. Universal chargers are OK for some of the electronic devices which do not require higher currents.

Dec 27, 2010 | Dell Inspiron 1525 Laptop

1 Answer

What are the differences in Nikon 'overseas' models as US models?


It depends. Nikon USA has a strong tendency to not honor warranties originating in other countries. If you feel you don't need the warranty, go for it.

There shouldn't be any differences in the batteries themselves. The chargers, of course, are adapted to the local voltage and outlet configuration.

May 16, 2010 | Cameras

1 Answer

Laptop well not turn on battery lite blinks yellow nothing else happens. we have swapped batteries & charger


Are you sure your battery and charger are compatible with your original products? Sometimes, if the new batteries and charger's voltage and current are not the same with the original equipment, you may can't turn on your laptop. Or you bought a bad battery and charger.

Mar 23, 2010 | Toshiba Satellite A105 Notebook

1 Answer

Laptop will not charge..


First of all, it could definitely be something with the battery. Batteries have a finite life-time, and yours might had reached it's end...

Anyway, chargers for laptops are quite "unique" for each brand, sometime even for each model. There's a chance that by your "trial and error" you might even caused more damage... :/ You should CAREFULLY take a look on what your laptop consumes, in terms of VOLTAGE and CURRENT. Connecting incompatible charger (even if it's plug fits perfectly) might (and often will) damage your battery and/or the motherboard.

With that said, try replace the battery (if you can try it without buying a new one - better), then use your ORIGINAL charger. Of that doesn't work - use a replacement branded charger. If that doesn't work either - you might need to check it the laptop still works.

Good luck!

Mar 10, 2010 | Dell Computers & Internet

3 Answers

Same problem here.


If you're only reading .18 volts DC at the charger itself, then it's time to replace the charger.
It's probably some inexpensive Electrolytic Capacitors inside the charger that have bit the dust.

Here's info about Electrolytic Capacitors,
1.http://en.wikipedia.org/wiki/Capacitor_plague

2.http://www.capacitorlab.com/visible-failures/index.htm
Both sites relate to computer motherboards and computer power supply's, but know, that there has been a problem with 'Caps' for all kinds of electronic components, no matter what they are, therefore these same visual signs of failure apply. (Sorry about the run on sentence!)

3.http://www.absoluteastronomy.com/topics/Capacitor_plague (Read the entire article, and my statement above will become more clear)

Jul 13, 2009 | Black & Decker 14.4 Volt Battery Charger...

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