Currently the batteries used in notebook computers

Currently the batteries used in notebook computers are three main points: 1

. Nickel-chromium batteries, 2. Ni-MH battery, 3. Lithium battery; they are generally expressed as: Nickel cadmium NI-CD, Ni-MH NI-MH, lithium LI.

Purchase or replace the battery when the laptop for many users, the "batteries" may be unfamiliar. At the outset, batteries and battery are two concepts. A battery is slightly larger number than the thumb, cylindrical, about 7-8 cm high, voltage 3.6v small units, professional, it is called is called 18650, Sanyo and Samsung is the largest producer.

Batteries like a small battery, in series combination, we see that the Dell inspiron e1505 battery was. Then talk about how to judge the battery is the core of a few:

One way: unplug the battery number of contacts to see him, there is some core of a few. But it is the "minister" means. We take a look at "Cao Chong" is how "said elephant": a look at how much of your battery v nominal, such as 14.4v, then divided by 3.6 by 4, then proved to be four batteries together in series. Then look at the capacity of the battery block, for example 4400mAh, then there are two groups that I mentioned above series battery, because the small battery capacity is 2000-2200mAh, or even more, and together the two groups can be reached 4400mAh. According to the two judgments, then the battery is 4 2 = 8 cores.

The composition of laptop battery

Laptop batteries by the case, circuit boards and batteries, belonging to lithium-ion battery. Ordinary people talking about batteries means the number of batteries within the battery, mAh refers to the capacity of notebook batteries.

Mainly by the protection circuit board (or secondary protection), and the capacity indicator circuit composed of two parts, on the laptop battery charge and discharge and safety management.

Laptop battery standby time determined mainly by the mAh value. In general, the more the batteries, mAh greater the longer standby time. Notebook battery life mainly to measure the charge and discharge times, the quality of the products qualified for the 500-600 times normal. Therefore, the effective use of laptop battery within a period of 2 years, the battery will expire aging, the drastic drop in standby time of impact notebook mobility.

Currently the batteries used in notebook computers

By: sfdger

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