Universal adapter for laptops: review, description, reviews. Notebook Power Supply

девайс достаточно интенсивно, ежедневно сталкивается с необходимостью зарядки аккумуляторной батареи. Every laptop owner who uses the device quite intensively, daily faces the need to charge the battery. Some portable computers are discharged faster, others are slower, but in fact the power supply for a laptop is, it can be said, its main companion and friend. What to do if such a necessary accessory is lost or out of order? Let's try to understand, because the variety of laptop adapters available in stores is quite large.

Reliability "charge"

It is worth noting that the network adapter for a laptop is a fairly reliable device. лэптопов и обычно выполняет свои функции должным образом несколько лет. The accessory is included in the delivery of almost all laptops and usually performs its functions properly for several years. This statement is especially true for models from well-known manufacturers. в течение 10 лет ! For example, we know the case of maintaining the working capacity of the adapter for the HP laptop for 10 years ! Thus, the devices under consideration are characterized by a high level of reliability and with the proper handling of the owner. Among the reasons for buying a new charger, failure due to the manufacturer's fault usually does not appear.

Reasons to buy a new adapter

разными. The situation when the purchase of an additional or new power supply for a laptop becomes a necessity, can be different. Most often they are represented by:

• Outage of the device due to inaccurate treatment of the user. The most common problem is the damage to the plug or cord.
• Battery charger loss;
• Ease of use. If there is a need to charge the laptop in several places, for example, at home and at work, the constant wearing of the charger with itself can cause the laptop owner some discomfort.

In all these cases, the ideal solution is a universal adapter for laptops. The feedback that the users of these devices leave is almost always positive.

Original and universal BP

девайсов , а также и его известность очень часто являются для будущего пользователя одним из решающих факторов при покупке. The name of the manufacturer of modern devices , as well as its popularity, are very often for the future user one of the decisive factors when buying. Indeed, choosing between a famous brand accessory and not clearly how and from which components the device created without a name, the buyer is likely to give preference to the first. As for the chargers, then there are reasons for thinking.

It's worth pondering

It should be noted that, for example, the original adapter for the Asus notebook and a high-quality universal device from popular Chinese manufacturers in performing their main function are virtually indistinguishable. In this case, choosing the second option, the user can get some additional advantages.

Price of issue

The cost of a power supply for a laptop when choosing its manufacturer and type is unlikely to play a significant role. The fact is that original and universal solutions are estimated almost identically. The adapter for laptops HP, Dell, Lenovo, Asus, Sony, Toshiba, Acer, released by the manufacturer of the laptop costs about $ 20-30. Approximately for the same money you can buy a quality universal product. Products of little-known Chinese brands are cheaper, but in this case questions may arise about quality and reliability.

Principle of operation

How does the laptop adapter work? серьезного внимания, к примеру, в документации к девайсам . Asus, HP, Dell, Lenovo, Toshiba and other well-known manufacturers do not pay any serious attention to this issue , for example, in the documentation for devices . засекреченности производственного процесса и разработки решений. And the point here is probably not in the secrecy of the production process and the development of solutions. Simply, all adapters for portable computers work in general the same way and are designed according to one principle. лэптоп . The main task of these devices is to convert the voltage received from the AC network into the one needed to supply power to the laptop . With the charger in the kit, the voltage and current at the output always have the same value. Universal power supplies have an adjustable automatically or manually range of these indicators.

Design features

Of course, the principle of universal adapter for a laptop does not differ from the similar characteristics of the original solution. But there are constructive differences. универсального адаптера для ноутбуков. In addition, the accessory from the manufacturer of the laptop does not provide additional features, unlike the universal adapter for laptops.

лэптопов состоят из следующих элементов: Absolutely all power supply models for laptops consist of the following elements:

• Power cable that connects the device to a power outlet.
• Directly the power supply unit.
• The cable going from the PSU to the laptop. в разъем для зарядного устройства). At the end of this cable is a connector (a plug that plugs into the charger connector ).

It is the connectors, or rather, their number, in addition to the adjustable voltage range, provides the main advantage of a universal adapter for laptops. Typically, this product includes several different connectors (up to 10), which makes it possible to use a power supply to charge multiple models of computers from different manufacturers.

Additional Features

In addition to its main function, the devices under consideration can serve as a certain fuse. In the event of a power surge in the network, the main impact is taken by the charger, and the hardware components of the computer remain in most cases protected from high current values.
As for additional features, here the universal adapter for laptops can offer some variety. Such advantages include those present in many products:

• , который дает возможность производить зарядку различных гаджетов – смартфонов, планшетных ПК, MP3-плееров и т.п. USB-connector , which allows you to charge various gadgets - smartphones, tablet PCs, MP3-players, etc.
• Built-in screen for monitoring the charging process;
• Car adapter, which makes it possible to charge the laptop from the cigarette lighter in the car.

Practicality of universal charging

Of course, the guaranteed compatibility of the power supply connector and the laptop connector can only be provided by the original device of the same manufacturer as the laptop computer. лэптопов , особенно устаревших, найти такое решение просто невозможно ввиду прекращения выпуска. At the same time, for many models of laptops , especially outdated ones, it is simply impossible to find such a solution because of the termination of the release. совместимый. In this case, the user has a small choice: a universal adapter for laptops or compatible. Compatible power supplies are copies of the original versions, which are not in all cases produced under the license of manufacturers. Universal solutions, on the assurance of their manufacturers, are compatible with almost any portable computer. In fact, it is very convenient. девайсов поочередно, что может потребоваться к примеру, если в семье есть несколько лэптопов . A variety of connectors allow you to charge several models of devices in turn, which may be required for example, if the family has several laptops .

What does the label say?

, что в случае покупки универсального адаптера блок питания для ноутбука превращается из простейшего аксессуара в нечто более функциональное и практичное. Probably, the reader has already been able to make sure that in the case of buying a universal adapter, the power supply for the laptop turns from a simple accessory into something more functional and practical. How to choose the right device? It is enough to read the label carefully, it will tell you about:

• лэптопов , для которых подходит блок питания. The list of manufacturers of laptops for which the power supply is suitable. Usually this list is quite wide and allows you to immediately determine whether it makes sense to compare other characteristics with the nominal values required by a portable PC.
• The output voltage range. This most important characteristic is measured in volts and is indicated in the Output field. The value needed by the laptop must fall within the range provided by the adapter.
• Input voltage (Input field on the label). In most cases, this figure is 220-240 Volts, which means it is suitable for all users in our country. Also, universal solutions can additionally be equipped with a car adapter.
• The current range at the output of the device. This indicator is measured in amperes. лэптопа. The upper range indicator should be equal to or higher than the rated value for the laptop.
• Capacities in watts. For this characteristic, the rule "the more, the better". In most cases, a sufficient figure is 90 W. A large power factor will ensure a shorter battery charging time and also prevent overheating of the power supply.

Rules of operation

A high-quality universal charger can last a long time. Usually these products do not bring their owner absolutely no worries. It is important only to fulfill the conditions of proper and careful use:

1. лэптопа присоединяется коннектор, и только после этого вилка соединяется с розеткой. The device must be connected in the correct order: first the connector of the laptop is connected to the connector, and only then the plug is connected to the outlet.
2. Always disconnect the power supply from the network when charging or leaving the house. The price for breaking this rule can be major trouble. For example, under the most positive development of events, the voltage drop will be spoiled by the power supply itself, and in the worst case, a fire may occur.
3. состоянии . The cord of the device must not be in tension . передавливания кабеля каким-либо предметом, к примеру, мебелью. It is also necessary to exclude the possibility of the cable being pulled by any object, for example, furniture. Among other things, mechanical damage to universal adapters for laptops is very often due to the fact that pets perceive them as a toy and gnaw.
4. Careless pulling of the plug from the socket by the cord should be excluded as a factor, which contributes to damage to the device cable.
5. We exclude overheating. Air access is a must for any power supply, do not cover it with various items, for example, clothes.
6. The charger must be protected from the ingress of any liquid to the housing, and even more so - to internal electronic components.

Thus, with the right approach to choosing, and after buying - careful exploitation, the device considered in the article will serve its owner for many years.