Laptop Adapter 40 Watt 19V 2.1A
- Ref Price:
-
- 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: DELL notebook, today a boot found that power is not power, plug the power supply does not even the computer power adapter is working, the lights are bright, a computer and so on to the off, the computer is not charged, how is it? Is the problem of power or computer problems? Rush!
- 1. Power connection path short circuit or open circuit. 2. It is recommended to check whether the motherboard interface is short-circuited. 3. Battery and charger connection path short circuit.
- Q: Laptop connected to the power adapter, always a power will not power. Install the battery does not turn on the power adapter can be normal boot. Install the battery at the same time connect the power adapter can also be a normal boot. The problem is that the power adapter is always a charge, one will not charge. Is the contact bad, or the power adapter to be broken? How to check
- Interface problems are possible, take it to see it, up to 50 get
- 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: 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: 4.74a power adapter with 3.16a laptop, and, 3.16a power adapter with 3.16a laptop, what's the difference?
- This paragraph in the parameters and prices are very balanced, the whole is very good; But to buy things, the key is to look at the characteristics of the product is in line with your needs, it is recommended to carefully measure later, choose their own. You can also try the sixth generation of intelligent Intel Core Duo processor products, innovative use of the model, real sense of technology, posture control, voice recognition, 2D / 3D images, breaking the traditional PC experience, regardless of office learning, smooth Play games or watch ultra-high-definition video playback, are handy, leading product innovation.
- Q: Laptops (how to turn off the network adapter off)
- Wired network card or wireless card? If it is wired, refer to the upstairs advice, the control panel - system - hardware - device manager - the network adapter, right click on the menu that appears to be enabled. If it is infinite, then first follow the above argument to see if it can be enabled. If not, look at the computer around the wireless card is not a small switch or through Fn + F? Key combination to open.
- Q: Recently bought HP's 4416s notebook, but when used to find the power adapter will issue a creak sound, looked at other people's notebooks seem to have no such obvious squeaky. Looked with their own model almost HP notebook, although there are creak of the sound, but it seems not my voice big. Someone explained that this is the current work when the sound or the town ...
- 1, the power adapter power normal use of the process, in a quiet environment or close to the power adapter can hear a weak current sound, this phenomenon is normal; 2, if the current sound is more obvious, the impact of normal use, the power adapter may be the impact of hardware operation, the proposed repair or direct replacement. The power adapter in the conversion of the power supply will inevitably send a fixed frequency of the sound, different frequency of the inductance coil because of its rated power is not the same, so the induced current of the sound size is not the same, there will be creak sound.
- Q: Lenovo laptop power adapter warranty how long
- The adapter is the same as the main parts, the warranty for 2 years. Generally based on the invoice time warranty, no invoice based on the appearance date, the machine has the back
- Q: Apple laptop power adapter bad how to do it
- Second, the power adapter has four plastic caps, as far as possible not to damage the adapter shell, shell damage, there will be electromagnetic radiation and other issues, affecting the stability of the machine. If the shell is damaged, try to repair. Disassembly process If the external power supply is not powered, then you can plug in the battery to try, if the machine can start normally, there may be a power cord or adapter problems. Open the appearance, open the shield, it is best to first check the welding feet, the naked eye can be observed, the circuit intermittent, generally poor contact. And then use a multimeter to detect whether the power cord is a problem, to simplify maintenance.
- Q: Power adapter problem
- Hello, thank you for choosing HP products. Judgment from your prompts, your adapter may not match the notebook; Please confirm that the adapter is the standard adapter for this notebook; But also through Baidu to ask about the notebook product number, so I can help you check the model comes standard adapter power, and then you will query the information and your adapter to do some contrast; Note: Part number: P / N (Product) number can generally be found on the back of the machine label (or laptop battery) or warranty card, is the 7-digit numbers and letters, PN generally # AB2 end Hope that the above reply can help you.
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 | |
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Laptop Adapter 40 Watt 19V 2.1A
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 200 Pieces pc
- Supply Capability:
- 100000 Pieces per Month pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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