How to keep a proper record of notebook computer batteries when it does not have access to?

Yuzhong District of Miss Fan asked: I often use the notebook computer are directly connected to a fixed power supply, notebook computer battery is always configure itself do not have access to, may I ask how best to preserve the batteries do not have access to?

Answer: You can charge the battery or notebook to a 40% discharge, and then on the temperature 15 ~ 25 degrees Celsius dry place to preserve, the temperature is too high and too low are easy to accelerate the aging batteries. In addition, because the vast majority of notebook computers use lithium-ion batteries do not use if a long time, often prone to "over-discharge" phenomenon, may no longer be able to charge. Therefore, if the need for batteries to preserve set aside for a long time, then to ensure that batteries have a certain degree of power, you can each month on the battery at least once a full charge and discharge, and then save the above method.laptop battery,ibm laptop battery,IBM thinkpad t40 battery .