Laptop Adapter 40 Watt 19V 2.1A

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Product Description:

*Over-current protection,

*Voltage protection,

*Short circuit protection,

*Hot seller,Price advantage.

*Input :100-240V 50-60Hz 1.5A


*DC interface:2.5*0.8



Products Features:

1.Professional patch technology production;

2.Allmported electronic components, circuit boards with over-voltage, over current, short circuit protection;

3.Output power enough;

4.The output voltage accuracy;

5.The output voltage ripple is small;

6.Original standard design, 100% compatible with original power supply.

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Q:HP notebook different models can be mixed between the adapter?
Hello, thank you for choosing HP products. Notebook power adapter is generally dependent on the adapter interface, input and output of the parameters are consistent, different models of hp notebook external power adapter hardware parameters and interface conditions are not the same. So it is not recommended that you mix the notebook external adapter, so as not to affect the normal operation of the notebook. Hope that the above reply can help you.
Q:DELL laptop power adapter in the use of smoke suddenly out of the water, is this how is this going on?
DELL1420 notebook computer in use, the power adapter suddenly smoke issued Chi Chi sound, the adapter assembly cracks out of a little light yellow water; I immediately unplug the power, open the adapter, see a small amount of water out there, I would like to ask What's the matter? I am the adapter is 90 watts, from the purchase to now more than two years now, today is plug in the power ...
Q:DELL notebook power adapter can be universal?
For the safety of your books or do not use the good.
Q:Laptop adapter and computer interface contact bad DIY repair?
Depending on the notebook brand model, the adapter and host interface may be different. In the existing notebook, the more common for the circular interface and square interface. Open the notebook, the notebook interface removed, usually 1-3 screws fixed to the electronics market to find the corresponding interface head, the welding or connection fixed. If the adapter, the interface type of electronic market a lot, buy a back, the original thread cut off, re-welding and sealed with insulating tape, of course, may look better than the original look.
Q:19V 3.42A notebook can use 20V 4.5A power adapter?
19V3.42A notebook is possible with 20 volts 4.5A power adapter, but is not recommended for a long time to use, so as to avoid the high voltage and current is too large, causing the computer fever, burn the battery or computer motherboard. Computer with electrical appliances need to pay attention to the following two points: First, the charging voltage, the charger charging voltage and the original or slightly higher. Second, the charging current to the same with the original charger or slightly higher, up to no more than 0.5 amps.
Q:How is the laptop's power adapter used?
Now the notebook is generally lithium batteries, in fact, is a shell installed in a series of battery pack. Specific maintenance methods can refer to mobile phones and digital cameras, DV and other battery maintenance methods. If the long-term use of electricity, it is recommended to remove the battery after the use of power. It is said that the battery is in a semi - saturated state and is good for the durability of the battery (my SONY camera manual is so recommended.
Q:Samsung laptop power adapter bad how to do it
According to the original power supply model, or computer brand model + power adapter, do keywords, Taobao search.
Q:Will the notebook power adapter are the same?
Dear Samsung User Hello: According to your description, Samsung's power adapter is not all common, if you need a single adapter, please contact the service center.
Q:The laptop can not power the power adapter, unplug the adapter,
and some are A small part of a separate plug on the motherboard, if the adapter is broken that simple, Taobao an adapter can,
Q:Is the Toshiba Laptop Power Adapter common?
Toshiba laptop power adapter can be universal, basically the same specifications with laptop battery and charger.
Our products have passed a series of certifications, such as CE, FCC and RoHS. We integrates development, design, production, processing and wholesale. Based on scientific attitude and precise processing, we produce every unit of reliable quality. With high quality products & a good reputation, we have got the favor of customers.

1. Manufacturer Overview

Location Guangdong,China (Mainland)
Year Established 2009
Annual Output Value US$10 Million - US$50 Million
Main Markets North America; South America; Eastern Europe; Southeast Asia; Africa; Mid East; Eastern Asia; Western Europe
Company Certifications ISO 9001:2000

2. Manufacturer Certificates

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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage 71% - 80%
No.of Employees in Trade Department
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b)Factory Information  
Factory Size: 3,000-5,000 square meters
No. of Production Lines 10
Contract Manufacturing OEM Service Offered
Product Price Range