Is different from desktop computers, notebook computers An important feature is its excellent mobile performance. On many occasions, external power supply laptop is not convenient at this time require battery-powered task of stirring up. Some people likened laptop battery of blood flow, although not very appropriate, but the batteries in notebook computers in an important position is obvious. However, in practical work and life, many friends are not very clear about how to purchase notebook battery for testing and use in their daily work should be rational use and maintenance of cells, leading to buy a “congenitally deficient” batteries, or in the process of using batteries “prematurely”, not only the life expectancy is much shorter, the use of time is not satisfactory; and even some “fields and then” in the daily maintenance of the battery also has some wrong understanding. This paper intends to purchase on dell laptop battery , testing and maintenance of some frequently asked questions, etc. to be more detailed answers.

  1, the common type of laptop batteries and their respective advantages and disadvantages? Which battery should buy? Common civil notebook computer batteries used can be divided into three types: nickel cadmium batteries (Ni-Cd), nickel-metal hydride batteries (Ni-MH) and lithium-ion battery (Li-Ion). Summary of their characteristics are as follows: Ni-Cd Battery: Nickel-cadmium batteries were the first type of batteries used in notebook computers, because of the battery production technology, production technology not advanced enough, so nickel-cadmium batteries have a lot of inadequacies, such as the capacity of small and bulky and so on. Ni-Cd battery charging and discharging for approximately 300-700 times, but in the charge-discharge process if not handled properly, there will be “memory effect” (so-called “memory effect” is the battery in the charge before the battery power has not been completely exhausted, the course of time will cause the battery rated capacity reduction), making service life shortened. In addition, cadmium is toxic and, therefore, nickel-cadmium battery is not conducive to the ecological environment protection. Numerous shortcomings, nickel-cadmium batteries laptop computer batteries have been eliminated from the range of applications. Ni-MH battery: laptop batteries used in the second generation of the type Ni-MH batteries, Ni-MH battery Ni-Cd batteries have a relatively greater than the energy density means that no additional weight in the circumstances, the Ni-MH battery can be effective in laptop computers to extend the working hours. Ni-MH battery life is very long, can reach about 1000 charge-discharge Ni-MH battery Another advantage is greatly reduced in the presence of nickel-cadmium battery “memory effect” problem, which makes nickel-metal hydride battery can be more convenient to use . Ni-MH battery is the most environmentally friendly battery, it is no longer the use of toxic cadmium, can eliminate heavy metals on the environment caused by pollution. Some countries have strong environmental focus on promoting the use of nickel-metal hydride batteries, because it is easy to recycle. Ni-MH battery because of their high cost, there are environmentally friendly, so there are still some manufacturers use it for notebook computers. Lithium-ion dell inspiron e1505 battery,dell inspiron e1705 battery: Lithium-ion battery with a light weight, large capacity, no memory effect, etc., which has been widely used - the vast majority of today’s notebook computers used lithium-ion battery, although its price is relatively expensive. Lithium-ion batteries in the current laptop battery energy density in the highest, its capacity is the weight of nickel-metal hydride batteries with 1.5 to 2 times, but also has very low self-discharge rate. Lithium-ion batteries have no “memory effect”, as well as non-toxic substances, etc. are also widely used in notebook computers important reasons. Although the lithium-ion battery life is shorter than Ni-MH battery (usually about 400-800 times the number of charge-discharge), but its status in terms of daily use, Ni-MH battery performance significantly better than lithium-ion battery, so we should try to choose Li-ion laptop batteries. The vast majority of notebooks currently on the market uses a lithium-ion battery (commonly referred to as lithium batteries), you can purchase advice to vendors and relevant information, or access to manual confirmation. This following sections, such as no special instructions are directed lithium battery.

2, why purchase the battery will carry a certain power, this situation normal? Most of the new laptop battery at the factory when a pre-charging to a certain degree of power for use in the test machine, which is a normal phenomenon, not necessarily the reason has been used. However, we should note that: first, to this part of the power to recharge depleted before. (Reasons for doing so and how to discharge, discharge level I will elaborate later.)

3, why buy when you should pay attention to see the dell latitude d410 battery,dell latitude d420 battery charge and discharge more frequently? How do I view? Many people think that the notebook’s battery life calculated in accordance with life, but in fact not the case, the real factors that play a decisive role should be to fully charge and discharge times (this is not part of a special case of laptop computer batteries, all rechargeable batteries are so) . As already described, under normal circumstances the use of lithium-ion battery for about 400 charge-discharge life. Now, some JS to exterior renovation of the old batteries, or the prototype of the sale, if not pay attention to it is easy to get the battery has been used, so that “innate objectionable” How can you expect it to batteries for your long service? Therefore, everyone should pay attention to the time of purchase to use the software to see the battery charge and discharge times, in general, the new battery should not exceed 3 times. In need of special note is that this number of statistics only in the battery is discharged to 50% (the percentage of different types of cells different from) the following, and again when the charge will increase, for example: if your battery is only discharged to 90% on again It is full, the statistics will not increase the number of times, but the battery is a result of repeated charge and discharge and reduced life expectancy, so this argument can only be done without having to use auxiliary judgments too superstitious. Less specific How do I view the battery charge and discharge number? Unfortunately, not all brands of notebook computers can view the battery charge and discharge times, as far as I know, currently only ibm and sony batteries used in its first wife-related design, we can use the battery-specific test software to read the internal chip the relevant data available, other brands not work. IBM: IBM notebook computers will be preloaded with a program called the Thinkpad Configuration. Click on the program icon in the taskbar above choices Battery Information, in the pop-up window, select “Status Detail” (more states) option card, the last line in the display of information there is a “Cycle Count” instruction, which is the battery charge and discharge times have been had. SONY: To view the SONY VAIO notebook computer’s battery information, you can double-click the PowerPanel software pre-installed above the icon in the taskbar, then pop up a Battery Information window, click the Battery Information Interface Advance (Advanced) button, a small window will pop up to tell you the battery information, which is the Charge Cycles shows the number of charging and discharging.

  4, how to test the dell latitude d430 battery,dell latitude d500 battery status? Some friends will say, I have not purchased SONY, IBM notebook how to do? Is the battery will not be able to understand the performance and status of it? Oh, good news is we have a very professional universal software that lets you know your laptop battery in the end how much time to work to avoid when the battery is an urgent need for “strike” the embarrassment, and this is Battery Mark 4.0.1. We can be found online.

5, the new battery before use, should be fully charge and discharge? How to correctly operate? Battery type described above have already said that, although theoretically speaking, lithium batteries have no memory effect, but in fact it still has memory effect, but only slightly. Therefore, we will go home after the laptop, do not rush to use the first, first of all should be more than the original new battery power used up a further charge. This is done in a separate battery without external AC power supply situation could be fully discharged in accordance with the following steps to complete the operation (in Windows XP as an example below): Click Control Panel - Performance and Maintenance - power control - alarm, cancel the power shortage warning suggested that the use of an alert to the acute shortage of power supply (set to 1-2% Alarm), can be considered to have fully discharged, and shutdown (note not to use to power itself off, so there is no difference with the power-down, the right notebook have some damage); discharge is completed, a further charge to fully charged (preferably carried out in the off state, and not to charge half-way to unplug the power, dell latitude d505 battery,dell latitude d510 battery,but when the charge indicator light turns off when the charge will continue for some time, often At this point the battery is only 80-97% of electricity), while the power back to the original prompt warning prompted alarm status. Note that charging is complete, should be to wait for 30 minutes or so until the battery before use basic cooling.

  6, depth charge and discharge the concept correct? For the lithium batteries used in the previous form the majority of users are the first three times the depth of the use of the surface charge and discharge rules, may be a lot of his friends have a lot of information and even the official website to see a similar note, even worse, some of Users can also use the following method of the extreme depth of discharge: In the BIOS, run out of the final power to put photovoltaic cells can not start the machine up to date. User on this issue has been addressed to IBM technical support email, get a reply is: It clearly states in the document that you do not deep charge the Li-Ion batteries. The deep charging only applies to the NiMH batteries. (English meaning: In the document very clearly shows you do not charge for in-depth on the lithium battery. the depth of charging only for Ni-MH battery is concerned). The official answer from IBM’s technical response message. In the IBM Web site is also related website has made it clear: NOTE: It is not recommended that you deep-discharge Li-Ion batteries. (In Chinese meaning: Description: It is recommended that you do not deep discharge of lithium batteries). This is the concept of the user in the previous form of the concept is totally different, but since IBM has such authoritative answer, we should attach importance to and in accordance with actual observations the final result. A friend has been reflected in the actual use of the process, there has been a result of such an extreme depth of discharge capacity leading to decline in the actual instances of the dell latitude d520 battery,dell latitude d600 battery. It is my suggestion: In the battery in front of the first three can be described in full charge and discharge (rather than the extreme depth of discharge law) in order to fully activate the lithium battery; As for the charge, due to the vast majority of notebook computer batteries have been designed with Built-in overcharge protection circuit, it is generally not occur because of damage to the battery overcharge situation.

7, external AC power using a laptop computer, should take off the battery? As already described, the battery life not by the length of the total duration of use, but by the actual charge and discharge times (not the number of statistical test software) to decide. If the battery is always loaded into the computer did not take down Qudiao AC power supply, because of lithium batteries in which the environment is not absolute insulation, and the battery control integrated circuit, so even if the computer is shut down when the battery power will gradually discharge. Once again connected to the AC power source, the battery will start charging (the majority of the battery is designed to power at 95% or less started charging different types of battery design is different), so whenever the power is turned on or off, the battery will be recharged repeatedly and discharge. This practice has a strong memory effect of nickel-metal hydride electric dell latitude x300 battery,dell xps m140 battery injury is very large, although the lithium-ion battery electric memory effect is relatively small, but the time will not fully charge and discharge a certain extent, reduce the battery life ; In addition, the heat generated when the computer is working will affect the battery life. Therefore, a stable electricity supply in the computer use of environmental circumstances, suggest that you remove the battery while using a separate power supply. The goal is very simple, is to avoid frequent battery is not fully discharged in the circumstances under which charging. Of course, if you use a computer power supply situation is very bad for the environment, and you do not have an external UPS uninterruptible power supply, the better the battery connected to the UPS to play the role, after all, and prices of thousands of notebook computers easily compared, a the battery is relatively cheap and pretty, do not pick up a pound-foolish yo! In addition, some models of laptop battery is not designed to cover positions, remove the battery in the fuselage after the impact will be missing a large piece of beauty; also some laptop batteries in the design of Shi Hai plays the role of weight, might affect the post removed body balance. This part of the user can choose according to their own preferences (such as some of dilemma: (, He He).

  8 How should remove the battery storage? Remove the battery storage conditions is also a need for attention. Generally speaking, we should pay attention to environmental temperatures of 15-30 degrees Celsius, and stored in dry and ventilated place. In addition, because the vast majority of notebook computers use lithium-ion batteries do not use if a long time, often prone to “excessive discharge” phenomenon, it may no longer be able to charge. Therefore, if the battery needs to be shelved for a long time to save, then make sure the battery in a certain amount of power left, all manufacturers remain as to whether the number of remaining capacity of the divergent views, but I suggest that you used to be full after power is saved as well; another long-term non-use of the battery in a month the right way according to the aforementioned at least one full charge and discharge is also necessary to be done, the purpose of doing so is to prevent the dell latitude d610 battery,dell latitude d620 battery,dell latitude d800 battery,dell latitude d810 battery has not been used ions in the case of a long-term loss of electrical activity caused by no longer re-charge.