Questions tagged [charger]

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22
votes
4answers
29k views

Can I safely charge my laptop with a non-standard, third-party charger? [duplicate]

I have a Toshiba Satellite laptop. My charger has stopped working. I have access to a Lenovo charger. Can I use this charger on my laptop?
111
votes
6answers
210k views

Why do some AC adapters and power supplies generate a whining noise, and what can I do about it?

I have many different AC adapters and power supplies for a variety of devices, ranging from small 5V/1A USB chargers to laptop power adapters and desktop PSUs. However, I often hear a whining noise ...
16
votes
3answers
38k views

Using a higher current charger on a laptop which requires a lower current [duplicate]

Possible Duplicates: Laptop power supplies, does current matter? Can I use a power adapter with more current but lower voltage on another laptop? I have an ASUS K50IN laptop which requires an ...
1
vote
1answer
4k views

Is it possible to use a laptop charger in other laptop with different specifications? [duplicate]

Possible Duplicate: Charging laptop with non-original charger Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply? Let's say I have my laptop charger ...
7
votes
1answer
23k views

USB-C Chargers: Is it safe to charge a phone with a laptop's power supply?

I have an HP Chromebook and a Nexus 6P smartphone, and both of them use USB-C connections for charging. When I plug the Chromebook into the Nexus's charging cable, it works fine and I just get a ...
3
votes
4answers
9k views

Removing Battery and running the laptop in pluged in mode?

Is it fine, if I remove the battery from my system and run in by having it pluged-in by the charger? Will it cause any damage to the system? My Laptop is an HP Probook 4320s (which comes under the ...
7
votes
1answer
549 views

Can I wirelessly charge my laptop?

I think I read somewhere that Dell was creating a wireless laptop charger but I haven't heard anything about it in the consumer market. Is this something that will be available in the next year? Are ...
2
votes
1answer
755 views

Can as device that runs of USB be powered from a charger?

I have a Dreamgear PS3 Elite Gaming Headset that needs to be plugged into a USB port to power it, it cannot be used as just a "normal" set of headphones though it has a standard 3.5" plug as well (don'...
11
votes
12answers
73k views

Is it normal for the laptop charger to spark when plugging in?

All the laptop chargers I had until now sparked whever I plugged them in. This is true for my old charger (the bulkier / rounder Dell model) and the new charger (the flat Dell model) with two ...
8
votes
4answers
69k views

Laptop charger dying after plugging in?

My laptop charger's transformer has a green light on it that indicates that it's plugged in and working. When I plug it into the wall, the light goes on as expected. As soon as I plug it into the ...
5
votes
3answers
27k views

Is it safe to use any USB charger for charging any USB device?

I have an apple USB AC charger which is rated to provide 5V, 1A output and a Sony mp3 player NWZ B143F. I don't know the spec of Sony audio player. But I have another mp3 player from Transcend which ...
4
votes
2answers
1k views

Is it safe to use charger for macbook with a 15" macbook pro?

I just got a new 15" macbook pro to replace my old macbook. I have a couple extra chargers for the macbook, and I'm wondering if it's safe to use them to power the pro. Normally I wouldn't think it'...
2
votes
1answer
5k views

Using a higher wattage charger for my netbook

Can I overload my netbook if I use a charger with a higher wattage than the one indicated for my netbook. I know that the charger has a protection in case of an overload. But what if, for example, the ...
1
vote
3answers
7k views

19V charger with 10.8V laptop battery

Can I use a 19V battery charger with a Li-ion 10.8V 4400mAh battery? Will this have any negative effects? The charger comes from another laptop. The output spec states: 19V -- 2.37A The battery ...
3
votes
1answer
4k views

Howto repair broken USB-C Power Delivery cable?

tl;dr: What are the requirements for a PD capable USB-C cable and plug? As the USB-C plug/jack of my Dell charger is mechanically broken, I want to replace it. So far, my naive attempt to simply ...
2
votes
3answers
358 views

HP compatible charger

My orignal HP charger was: Power: 90Watt Input Volts: AC 100-240V 50/60 Hz Output Volts: DC19V 4.72A It stopped working and then i brought a HP compatible charger: Lap-Life Specs: Power: 90Watt Input ...
2
votes
2answers
5k views

Is my Power Supply Unit fried?

So my laptop just started smoking where I plug my charger in. I run a netbook, the Acer Aspire One. My charger won't charge it, because when I plug my charger into the netbook, the charging light ...
1
vote
2answers
896 views

Using alternate rating laptop charger [duplicate]

I am using Sony Vaio and laptop charger burned its rating was 19.5V-3.9A, i am trying to find the same model but I have been only been able to find one with the rating 19.5V-4.7A. Can I use this, any ...
1
vote
2answers
2k views

Fix a laptop charger

I have a fairly common problem with charger. The wire on one end is getting pulled out. How can I fix this problem? My hunch is that it should be possible to open up the charger, and put the wire ...
1
vote
1answer
2k views

Can I use Different charger: Similar Voltage, lower Amps? [duplicate]

My computer uses at 19.5V 9.23A charger. I would like to use a 19V 4.74A charger on the same laptop. The polarities and connectors are the same. This article is the most comprehensive explanation I'...
0
votes
1answer
2k views

Will my laptop be ok with this different laptop charger? [duplicate]

Possible Duplicate: Charging laptop with non-original charger How can I tell if an AC adapter is compatible with my laptop? So the original laptop charger broke and I switched to a charger from ...