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:Lenovo laptop power adapter warranty how long: Generally if not warranty, then, in the Lenovo repair station to buy about 300 original.

Q:My laptop's power adapter always has a sound what's going on?: The slightest voice of my also can ignore. The The The The In fact, when the phone can also be charged when the universal charger will issue such a slight sound

Q:What is the order in which the power adapter is connected when the notebook is powered on?: First connect the laptop side, and then connect the power outlet, so you can avoid the notebook side when connected to the notebook when the surge.

Q:ASUS notebook A45V power adapter model: Your standard is 19V output voltage, 4.74A output current, that is, 90W of output power.

Q:Power can not be charged, and only to keep electricity, but the power less and less. Tried several times off the battery, boot, the power is useless. Socket also changed. There is no power supply around the same model. Seeking solutions ah: Please be sure that the power adapter is good or bad: you can cross to another notebook to see if you can use. About the laptop's power adapter, as long as you can plug in (can not use brute force Oh!) Output power is best not used than the previous small, model wrong, nothing too much relationship.

Q:My computer power adapter plug in the power will be sounded, but the computer did not sound after the boot, what is the situation? The output of my power adapter is 19.5V ~ 7.7A I may not say clearly, my adapter can be used normally, but he plug in the power (alone plug the computer is not connected to the computer or the computer is not boot) will have a voice, others say the adapter in the power when there is normal voice, Of the adapter in the no-load when the sound is great: To judge this is very simple: 1. Computer in the battery state to see if it is working properly. If you do not work, the battery has a problem 2. Remove the battery in the computer with a power adapter to see if the power is working properly. If you do not work, the power adapter has a problem 3. If the two states can work that is the computer charge management part of the poor contact and other issues.

Q:Laptop power adapter even the computer line off, then pick up can not be used?: But the adapter is no matter what the big deal is a period of time after the place burned off the charge on the computer without any damage

Q:Can you drill yourself?: Laptop power adapter has no cooling holes, because the notebook is not like desktop, power consumption is not large, not allowed to high-power power, naturally not so much heat, there is no need to open

Q:Laptop power adapter of the number of security must be right?: the current should be equal to or slightly higher than the nominal value of the notebook, if the current is too small will damage the external power supply,

Q:Acer old section of the laptop, before the emergence of insufficient power supply symptoms (presumably: maybe and I will be the original 120g hard drive for 500g). Yesterday in the normal circumstances, suddenly on the power. The power of the laptop power indicator is no longer bright, neither power. Details are as follows: 1. With the battery can be normal boot, the normal use. 2. The power adapter has been removed and the adapter is ok. 3. Connect the power, no power, but the machine will be issued a slight, rhythm, 'drop - drop - drop' sound. Here to ask you, where the problem may arise, the motherboard power supply part, power supply capacitor? The If this is the case, take the repair, then, is the need for a whole board, or for specific components on the line. How much is the price expected? Hope expert answer, reward points is not a problem. Thanked here: 1, power adapter failure, replace the power adapter. 2, whether the outlet power. Replace the socket or card. 3, the computer power interface failure, the problem lies in the motherboard, need to open the body to check to judge. 4, remove the battery only after the power to observe the machine is normal. If not, you can confirm the problem in the adapter or motherboard. 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.

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