How to extend laptop battery life

Recently, my laptop battery use time shortened, can persist for 3 to 4 hours, now up to carry one hour, will be ruined. I use a second battery Is there any way I can extend the battery life.?

Laptop battery does have a life of its longevity is directly influenced by the charge and discharge times. If you keep the battery in a laptop, shut down and unplug the power state, the battery will slowly discharge. When you connect external

Power, the battery will automatically begin charging. Such constantly repeated charge and discharge, and will significantly shorten the useful life of the battery. We recommend: when you use the laptop battery as much as possible every time to power basically exhausted (less than 5%) and then plug in outside

Power supply to charge, and the charge time should be controlled within 12 hours, which is the best way to avoid the memory effect. (In fact, this habit also applies to other electronic equipment batteries, including lithium-ion batteries and nickel-metal hydride battery.

If you use an external power supply in a fixed position for a long time, and best able to remove the laptop battery to maximize battery life. Note, however, that, even if the battery is not a long time, try every two months of its charging and discharging a

Times to ensure that its activity is not lost. In addition, if your laptop with a battery backup, in custody it to note: not a long time in order to avoid the backup battery, the phenomenon of excessive discharge not charge, do not

Battery is depleted state of its long-term storage (about half of the remaining electricity as far as possible). Of course, you should also be at least every six months a charge and discharge maintenance to keep its best performance.

You can use the battery calibration method for battery performance significantly attenuated, to its resurrection. Unfortunately, only a few laptop battery calibration function for most use, you need to manually

For this operation. The concrete steps are as follows:
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First, cancel the notebook power management, power-saving features, such as disable the screen saver, set the power scheme to "always open", "low battery alarm" corresponding operation is set to "no operation";

Retain only when "a serious power shortage alert," "standby" operation, in order to ensure that the system can be normal standby;

Then the screen brightness set to maximum, and save all data, close all of the program window;

After charging, unplug the power supply, laptop continuous low current discharge;

Pending discharge end of the notebook will automatically shut down, and then plug in the power to charge the laptop.

Repeat steps 2 to 3 times the maximum to save the battery you have to start aging.