Laptop Adapter 40 Watt 19V 2.1A

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 200 Pieces pc

Supply Capability:: 100000 Pieces per Month pc/month

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*Over-current protection,

*Voltage protection,

*Short circuit protection,

*Hot seller,Price advantage.

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

*Output:19V2.1A

*DC interface:2.5*0.8

*Power:40W

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.

Q:Laptop power adapter how to use a multimeter to test is good or bad: Moreover, many adapters are certified, this multimeter does not amount. Many of the reasons for the failure of the adapter is precisely because the last two.

Q:Laptop Charger is broken and can not be charged: The battery pull down, plug in the computer charger, and then boot, if the boot, said the charger is normal, and then shut down, re-plug the battery, see is not able to charge into the electricity, can not, then the battery is bad The. If you unplug the battery, plug in the charger, can not boot, indicating that the charger is broken, can only re-buy charger accessories, Taobao have to buy!

Q:Lenovo z460 laptop power adapter voltage is how much ah: Lenovo notebook power supply 19V4.74A and 20V4.5A ordinary power supply, of course, is not genuine, cheap about a hundred or so on the OK. In fact, 19V can also be used 20V can also be used, 20V just a little, when the anti-power is not so ...

Q:In the past when the power adapter has a squeaky sound. Now plug in the power supply adapter will be squeaky. Power on a while to power, and power indicator light does not shine, power adapter silent. Put a while the power adapter connected to the power there will be squeaky. And can make the computer boot. Boot a power supply and no response. I wonder if the power cord is broken or the adapter is broken?: If there is no sound before the power adapter, and then there is a voice, it may be due to the internal solder joint solder joint, poor contact If there has been a voice before, it may be switching power supply transformer design unreasonable, issued by the audio noise. In short, it should be your adapter problems, if there are electronic, especially the switching power supply to understand the friends, you can also let others repair. But the best is you to buy one, something is not expensive, with the Worry, you can buy Taobao like a fifty or sixty, twenty or thirty can use, but it is estimated that electromagnetic interference may be more serious

Q:How to determine the laptop (DELL) battery and power adapter is a set?: Playing dell phone, the notebook service code and adapter serial number to them. Told them to check it

Q:When the laptop is in use, the power is turned off and the adapter lamp is off. The computer and the adapter is disconnected, re-plug the adapter power, the adapter lights, plug the computer lights off. Separate battery can not start.: Well, hope to solve the problem as soon as possible, have not tried to remove the battery adapter alone with it!

Q:Power off the power adapter without any exception, the indicator light is always bright, but there is no way to charge the battery charge and the adapter indicator lights also flash. In the shutdown state. Just turn on the power The power indicator on the computer will light and will stop for about 2 seconds: 1, with a multimeter to check whether the normal socket, the supply voltage is 220V. If the utility voltage is not normal, it is recommended to replace the use of environmental testing. 2, with a multimeter to check the power adapter output voltage and current is consistent with the label. If the gap is very large, and the mains voltage is normal, you can determine the power adapter failure, Need to replace the notebook power adapter. 3, if the above check is normal, remove the laptop battery, do not external adapter. Press and hold the notebook power button 5 seconds to repeat 3 times. After releasing the notebook residual charge, Insert the power adapter separately, power on the test. 4, if the fault remains the same, check the notebook's power interface, whether abnormal. Such as loose or the appearance of damage and so on. 5, the above check are normal, basically can be a preliminary judgment is the notebook motherboard failure. Recommended repair service station.

Q:Is the laptop's power adapter broken and you can buy other brands?: Output voltage, current, and the interface can be the same, the current A number of large no matter, as long as the output stability of the computer is no impact

Q:There is a 19V, 4.74A, is not it a bit high?: The best do not use, to the market to buy a adapter of the same specifications it, in order to a power supply if the laptop broke more worthless!

Q:Sony laptop power adapter there are several: Original factory Non-original If you want to use as long as the voltage and current can be met. But the quality of the original better, more comprehensive protection, I used to use the computer before the thunder, was mine split, the result is only burned the adapter - the original. I have been thinking if the original will not be destroyed by the computer.

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
Range
Reference
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