Laptop Adpater 19V 4.74A

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500 Pieces pc
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10000 Pieces per Month pc/month

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Product Description:


*Over-current protection,

*Voltage protection,

*Short circuit protection,

*Hot seller,Price advantage.

*Input :100-240V 1.5A   50-60HZ


*DC interface:bullet



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:Why laptop power adapter do so big can not make mobile phone so small?
Because the notebook circuit complex and sophisticated, variable brain pressure device to prevent the circuit burned
Q:Notebook power adapter is not powered
if the power plug in the boot when it is often heard that the spark is an abnormal phenomenon of the adapter,
Q:How to charge the laptop without a power adapter
You can buy mobile power, that is, before the charge, the computer and mobile power can be connected to the charge, if it is solar mobile charger is better.
Q:Laptop adapter smoke ~ ~ urgent
U disk inserted into it should be okay! 8 is a problem with the adapter, take repair, do not use it for the time being
Q:Laptop power supply is bad
Depending on what you say, the pat adapter is sometimes good, and the power adapter may be in poor contact. If you have no insurance, then you can report directly to the sale after the test, they will help you get. If the insurance, but also to get after the sale to check to see what the problem is, if the adapter is the problem, do not repair, because the maintenance costs are more expensive, you can go to the electronic city to buy a computer model and match the cottage Adapter, also very durable. Do not disassemble and repair yourself
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:Is the power adapter burnable to burn the motherboard?
General such a problem is the laptop motherboard circuit and the cathode 19v short circuit caused. The power adapter is not good quality will burn the notebook. In fact, this problem is still a good solution. Repaired between 180-260. Specifically have to see that short circuit. You put the battery out of power to try to see what reaction. If not enough, then the motherboard is short-circuit, and only to repair.
Q:The laptop adapter can be charged but can not be powered on separately
You can plug the power can boot, with the battery can not boot it? So it is estimated that the battery life has come, have to change the new battery. Adapter can not open the notebook, can only show that the adapter is broken. Try another one. It may be the notebook and adapter jack loose check it under it.
Q:HP laptop plug in the power adapter can not boot, with the battery can boot?
It is recommended to remove the machine's battery and power adapter from the machine, the machine will stand for half an hour to see if the machine can start normally, if you can not start the normal contact HP can not directly detect it, it may be hardware failure The
Q:I have an external monitor with a watertop unplugged the power adapter
If the original adapter is already aging, the filter is not good, for one. I feel you this is not the problem of ccc, because ccc can only control the video card, if it is caused by the graphics card, nothing more than the following situations: 1. Vertical synchronization, but you have a watermark, certainly not this, then only Is the display refresh rate, the general LCD 50hz, 59hz, 60hz, 75hz, in the desktop properties can be adjusted, generally adjusted to 50hz or 60hz, if it is 75hz, then there will be some watermark display. Ccc Lane can also be transferred, the desktop is more convenient, do not know what you are the system, it is difficult to say Anyway, these frequencies, 50,59,60 try, should be able to solve, if there is, it is likely that your power adapter to die, but now the analysis of what should be the refresh rate of the problem
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

a) Certification Name  
Validity Period  

3. Manufacturer Capability

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