Laptop computer is very common to us, more and more people have their own computer today. However, many people do not know much about the battery of laptop. How to take care of laptop batteries and deal with laptop battery life may be one of the most popular topics to laptop computer users.
As we know that, the charge and discharge cycle is very important to a battery life, especially the depth of discharge. The depth of discharge is different for various batteries; it refers to how far the battery is discharged before it is charged again. For nickel-cadmium battery, it is needed to be discharged completely because of its "memory effect". The memory effect is a condition that occurs when a battery is charged to the same level several times consecutively. The battery will remember that level and will not be charged exceed that point. When you are using a nickel cadmium battery, please use up its power completely and then charge it fully to reach its maximal capacity. If you do not do like that, the capacity of the battery may deduce quickly and then you need to replace it soon.
The lithium-ion laptop battery is very different from nickel-cadmium battery; it has no "memory effect". Pleas remember that you do not use up the power completely. This may damage the internal chemical makeup and cause irreversible damage. You had better left 10% of power before charge it again. As most laptops have power management programs, you can set it and let the laptop automatically shut down when the power in the power in the laptop battery get down to below 10%. If you usually discharge the lithium ion battery completely, the life of the battery will reduce quickly and you will need to replace it soon.
Another factor of affecting the battery life is the temperature. The hotter the temperature, the faster laptop batteries loose their charge. Many people like to install a battery when the adaptor is also plug into the wall. Please do not do like that, it will reduce the battery life. The battery is going on constant charge-discharge cycle when you are using the adaptor. The power of the battery will lose faster than normal because of the laptop heat. As there is a certain charge cycle for a laptop battery, if you use the battery as mentioned above, the life of the battery will reduce quickly.
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