IBM ThinkPad T40 Series battery-IBM ThinkPad T40 Series batteries

How to calculate the time of the charging time of IBM ThinkPad T40 Series battery?

The useage life of IBM ThinkPad T40 Series battery is not calculated in the unit of year,but in the times of the charging and discharging.NI-CD battery possess the times of 100-150,while NI-MH battery 200-300 cycles.At the same time the li ion ThinkPad T40 Series battery in 350-700. The time between charging and discharging is more long, the life of the IBM ThinkPad T40 Series batteries is more long.Therefore, the consumer would better use out the power of the laptop batteries before next charging.

The laptop battery is an annoyed question.Somebody asked that what is the time to charge a battery and how to calculate the time of charging.Now tell people a ways which is available except the new battery.

The capacity of a IBM ThinkPad T40 Series notebook battery is calculated in mah.The bigger digit the more capacity.For example,1200mah means that the capacity is 1200mah.The time of charging is relavant to the charger.The electricity current appearing on the charger is divided by the capacity and the result multifly 1.2 and the result of hour is the time to charge.

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